CAD/CAM Jobs

I am seeking an experienced automotive engineer with skills in CAD designs for trucks to create a detailed design for a tilt and slide rigid truck body. The primary use of the truck will be to transport robust goods such as heavy machinery and large vehicles as well as shipping containers. Therefore, the design needs to accommodate a weight capacity of 5-10 tons. While no specific materials have been selected for the project, the design should maximize usage of cost-effective materials that can support the mandated weight capacity. Key Requirements: - CAD design experience - Understanding of weight distribution in vehicle design - Knowledge of cost-effective, robust materials suitable for a heavy-duty truck Candidates with a background in automotive engineering and experience with t...

I'm looking for a skilled professional to assist me in processing two small lidar scans. - File Format and Software: I have the scans in LAZ format and I possess the necessary software to open and process them. Therefore, the ideal candidate should be proficient in working with LAZ files and have experience using the Cloudcompare software. - Measurement Requirement: Specifically, I need to measure the height difference between the two scans. Hence, familiarity with lidar data and the ability to accurately measure height differences in Cloudcompare is essential. I'm looking for someone who is detail-oriented and can deliver precise measurements from the lidar scans. If you have experience in this area, I'd love to hear from you.

I urgently need a professional who can deliver a modern furniture plan and interior elevations rendered using CAD software. I have hand-drawn floor plans that should serve as reliable references for the creation of the design plans. Key Aspects of the Project: - Stylistic Preference: I am looking to implement a modern aesthetic throughout all components of the design. - Purpose of the Rendered Images: These will primarily serve for personal visualization. - CAD Design Detail: I require an extremely detailed layout, inclusive of materials and textures. Ideal Skills and Experience: - Expert Proficiency in CAD software - Proven track record in designing and rendering modern furniture plans and interior elevations - Advanced attention to detail to deliver texture-rich, material-specific re...

I'm in need of a designer capable of creating a 3D printable design based on an existing carved wooden cross image that I have. The design should embody the following specifics: - Material: The end product should be printable in plastic. Familiarity with 3D printing and knowledge of plastic material design specifics is necessary. - Size: I’m expecting a medium sized design, somewhere in the range of 20-30cm. Skills in scaling and appropriate dimensioning are essential. - Style: The cross design should be just like the one in the photo.

I'm in immediate need of a draftsman to amend a small architectural drawing. The changes to be made are relatively straightforward but require precision and speed. The amendments primarily include adjusting dimensions and adding little balustrade details. Key Requirements: - Adjust dimensions: Ensure accurate measurements based on specific information provided - Add balustrade details: Implement small, yet important, details on the drawing to reflect the final design To help you with the task, I'll provide: - Specific measurements: To ensure the accuracy of the changes made - Reference images: To give you a clear idea of what's needed -DWG file I'm looking for a professional with experience in architectural drafting. Ideally, you should have a strong eye for detail a...

I am in need of a skilled CAD designer with a specialization in jewelry to create a highly intricate and modern pendant design. This project will require a keen eye for detail and a strong sense of modern aesthetics. Key Requirements: - Design a highly intricate diamond pendant - Implement a modern style Ideal Skills: - Proficient in CAD software - Extensive experience in jewelry design - Strong understanding of modern jewelry trends - Attention to detail Please provide a portfolio of your past jewelry design projects.

In need of a talented professional who can provide both architectural but mostly technical drafting services for a medium-sized residential design project. This was a project I had briefly started as a student but am looking for a professional to revisit and complete final drawings so I can begin to render my design and push it further. (NOT for an actual building to be constructed) I currently have rough plans and sections and would be looking for someone to make up: 1:100 General arrangement Plans 1:50 plans / sections 1:20 plans / sections 1:5 details such as threshold detail, jamb to wall detail, roof to wall detail etc..

I'm looking for an expert drafter capable of preparing detailed 2D shop drawings for an aluminum kitchen. The purpose of these drawings is fabrication. These drawings should include: - Detailed measurements - Assembly instructions - Material specifications I have existing design files and sketches that can be used as a reference. Your ability to interpret and accurately translate these designs into the required 2D format is crucial. Ideal Skills and Experience: - Proficiency in CAD or similar drafting software - Experience drafting for fabrication projects - Knowledge of materials specified (Aluminum) - Ability to work from existing design files - Attention to detail Please ensure your bid reflects the full scope of the project.

I am in need of an expert designer for the redesign of an electronic product. The goal of this project is to enhance its functionality and features. I want to redesign this product: This is the product we will be redesigning: Main goal is to make it into 3D printable parts for everything thats possible, leaving ony some screws, small stuff and electronics to buy. Second main goal is to make this shuffler be possible to make whole poker shuffle, meaning riffle shuffle -> riffle shuffle -> strip > riffle shuffle -> cut. In my mind this is done by attaching middle "card holder" on elevator (stick with bearring) and motor thats able to move it up and down. while also that middle part is able to return cards back to left and right card holder. In this idea the left an...

I'm looking for a skilled professional to customize existing roof trusses. They are currently in good condition, but I need them altered to accommodate a new vaulted. This will not require any changes to the existing roofing material. Key Responsibilities: - Modify existing roof trusses for a new roof shape. Ideal Skills and Experience: - Previous experience with roof truss modification. - Knowledge of structural engineering principles. - Ability to work with precision and attention to detail.

I'm looking to hire an experienced civil engineer or structural designer who can develop a high-quality strip footing design primarily for a residential building based on clay soil. Your job will specifically entail: * Producing a thorough, realistic, and functional strip footing design suitable for residential structures. * Accounting for the characteristics and limitations of clay soil in your design process. An ideal candidate for this project must meet the following requirements: * Profound knowledge and experience in structural designing and civil engineering. * A deep understanding of different footing designs, especially strip footing. * Experience in designing footings for structures built on clay ground specifically. * Familiarity with the standard construction regulatio...

I'm seeking a SolidWorks expert to design an equipment enclosure for industrial manufacturing purposes. The enclosure is meant to withstand the specific environmental conditions of a laser welder setting. Key deliverables include: - Development of a robust, functional and aesthetically pleasing equipment enclosure for a laser welding system - Ensuring the design meets the specific requirements for use in an industrial manufacturing environment - Creation of detailed CAD files that can be used for manufacturing Ideal candidates for this project should have: - Extensive experience in using SolidWorks for designing equipment enclosures - A strong understanding of industrial manufacturing processes and the associated environmental conditions - The ability to create designs that are not...

I need a Solid Works file created, for CNC manufacturing purposes. This is by converting a .SKP graphics file The purpose of the file is for manufacturing a product using CNC. Ideal Skills and Experience: - Proficiency in Solid Works is a must. - Experience with CNC manufacturing is highly preferred. Please ensure you have the capability to deliver this file in the required format for CNC manufacturing.

I'm looking for someone to create detailed design and schematics for a custom DJ furniture piece. Key Features: - Built-in DJ controller stand - Cable management system - Storage compartments Specifications: - The furniture should be large and heavy, designed to accommodate the size and weight of typical DJ equipment. Ideal Skills: - Experience in furniture design and engineering - Proficiency in CAD software for schematics - Understanding of DJ equipment and its spatial requirements The project involves a unique blend of furniture design, engineering, and an understanding of DJ equipment needs. A successful candidate should be able to translate these requirements into a practical, functional, and visually appealing piece.

I'm seeking an experienced AutoCAD designer to create detailed plans for an industrial HVAC system. This project involves: - Designing air conditioning units - Sketching ductwork and piping - Planning heating units Proficiency with AutoCAD is a must, especially in the realm of HVAC planning. Previous experience with industrial HVAC systems would be greatly beneficial. The scope of this project covers multiple jobs and varied square footages, requiring dynamic design adaptability. Please provide relevant portfolio examples when placing your bid. I look forward to working with someone who can bring efficient and effective HVAC solutions to life on digital blueprint.

Project for the design of a flap folder for a building professional Hello, We are looking for a talented freelance designer to create a professional flap folder for one of our clients working in the construction industry. The folder must be functional, sturdy, and aesthetically pleasing, reflecting our client's image of seriousness and quality. Project Description: Our client is a contractor specializing in the construction and renovation of residential and commercial buildings. They are in need of a flap folder to transport and present their professional documents during meetings with clients, architects, and partners. Specific Requirements: Durable Materials: The folder must be made from high-quality materials, resistant to daily wear and tear on construction sites. Profession...

I'm in need of an artist who can produce a series of 9 or 10 black and white 3-dimensional geometric drawings. These drawings are engineering parts. Key Points: - Geometric Style: The drawings should be done in a geometric style, focusing on precise and intricate shapes and angles. - Subject Matter: The subject of the drawings should be engineering parts. I already have these drawn poorly on a MS Word document. I can also explain what I am looking for. - 3D: The drawings should be in 3D. The objective is to create a sense of depth and perspective. - Black and White: The drawings should be in black and white only. The absence of colour is not allowed. This project has no strict deadline; therefore, you can take your time to perform your best. For this project, I'm looking for...

I am in need of an expert drafter who can assist with a 2D drafting project using AutoCAD. The project will focus on building structures, following the style of plans and elevations. The ideal freelancer for this job should possess the following skills and experience: - Expertise in AutoCAD drafting - Extensive experience in creating plans and elevations - Knowledge of building structures and their components - Attention to detail As a freelancer, you should be able to produce high-quality, accurate plans and drafts adhering to my specific requirements. Your role will be pivotal in providing architectural representations of my building structures, thus your input and skills are highly valued. Your tasks will include drafting, finalizing, and possibly revising drafts based on feedback.

I m looking for engineers for air ventilation, water systems, heating systems drawings. This add is only for engineers who can draw with eu standarts. Autocad, magicad etc.

We are looking for a skilled Mechanical Engineer with expertise in light steel construction to join our team. The ideal candidate will be responsible for assisting with project design and conducting various calculations for transportation and container fitting of the product. This individual will collaborate closely with our in-house engineer to achieve common goals and deliver high-quality results. Responsibilities: - Assist in project design and development processes - Conduct calculations for transportation and container fitting of products - Collaborate with the in-house engineer to ensure project success - Provide technical expertise and support throughout the project lifecycle - Ensure adherence to industry standards and best practices Requirements: - Proven experience as a Mechani...

I need assistance with Staad Pro calculations for a specialized structure - specifically for a forklift fork. - The purpose of the Staad Pro calculations will be for both design verification and load analysis. - The anticipated size or scale of the structure is equivalent to a forklift fork. The ideal freelancer for this project should have: - Proficiency in Staad Pro software is a must. - Prior experience with structural analysis for specialized equipment would be a plus. - A strong understanding of mechanical and structural engineering principles. - The ability to deliver accurate and reliable results in a timely manner. Please reach out if you're confident in handling this unique request.

Drafting of Detailed Layouts for a Swimming pool, detailing of Gents and Ladies Toilets and Changing rooms. Drinks Bar counter detailing, Staircase detailing.

I'm on the hunt for a skilled professional who can help me with a specialized project on my Subaru WRX STI. Here's what I need: - **Aerodynamic Features**: I'm looking to incorporate some specific aerodynamic features. These include a rear wing, front splitter, side skirts, and door ducts. The design for the rear radiator should be inspired by DTM styled wife body kits. - **Materials**: I'd like the body kit to be made from fiberglass. The final product should be robust, lightweight, and able to withstand the rigors of racing. The ideal candidate for this job should have experience in racecar body kit and aerodynamic modeling. Having prior experience with Subaru WRX STI or similar vehicles would be a big plus. Looking forward to finding the perfect freelancer to he...

I need an experienced AutoCAD professional to create 2D floor plans for a residential building. - The main purpose of this project is to create detailed floor plans. - The floor plans need to have exact dimensions. - You will only need to include basic shapes and placement for fixtures and furniture. This project requires someone with a keen eye for detail, strong AutoCAD skills, and experience with creating accurate 2D floor plans. The ideal candidate should be able to effectively translate blueprint sketches into digital format.

I am in need of an experienced 3D designer who can create a part for 3D printing. The purpose of this part is for prototype testing, so it needs to have moderate detailing for functionality. Key Requirements: - Size: approximately 70cm x 70cm x 40cm - Level of Detail: Moderate - Purpose: Prototype Testing Skills and Experience: - Proven experience in 3D design, particularly in designing parts for 3D printing - Understanding of functional design principles - Ability to work with moderate level of detail - Experience in creating large scale designs Please provide examples of your previous 3D design work, especially work that aligns with the requirements of this project.

As a car aficionado with particular interest in innovative designs, I'm seeking a talented CAD Designer who can bring to reality an alloy wheel for me characterized by a unique, futuristic, and innovative concept design. This project is particularly fascinating and challenging due to its visual appearance component. Key Requirements: - Mastery of CAD software and concept design. - Ability to think outside the box and deliver a phenomenally unique design. - Demonstrable experience in automobile part designs, especially wheels, is an added advantage. - A deep understanding of modern trends in alloy wheel designs, particularly with a futuristic twist. Note: While the focus is on a unique visual appearance, the design should still align with standard, functional alloy wheels. Can'...

As a consultant, I am seeking experienced architectural and interior design freelancers to create a comprehensive set of fit-out drawings for my retail space. These drawings should cover: - Floor Plans: Detailed outlines showing the setup of the space. - Furniture Layout: Depiction of where furniture will be situated. - Electrical and Plumbing Details: Information on wiring, switch placement, plumbing pipes and fixtures. The layout needs to adhere to my standard layout, previous experience in retail project is a plus. Ideal freelancers will possess a solid understanding of retail design and functionality. The ability to convey intricate details in a clean, readable format is paramount. The desired aesthetic is our standard layout, the specific details of which will be provided when the p...

I'm in need of an Image Fusion Specialist to develop a three-dimensional hand model from scanned images. Key Requirements: - The final 3D model should have a medium resolution - suitable for presentations. - The model must be created in ASC or OBJ file formats. Skills/Experience Needed: - Proficiency in image fusion and 3D modeling. - Expertise in working with scanned images. - Previous experience creating medium resolution 3D models for presentation purposes. - Knowledge of ASC and OBJ file formats.

I require a skilled draftsman, well-versed in SketchUp and familiar with office layout design, for a project involving our proprietary office partitions. Key tasks include: - Creating 2D floor plans for the layout. - Developing 3D models based on provided specifications. - Generating accurate and detailed measurements for the entire layout. - Preparing a comprehensive list of materials (BOM) with a high level of accuracy. The design style will align with modern aesthetics, so experience or expertise in such designs is ideal. The emphasis is on delivering a precise, detail-oriented project that meets our standards and fulfills our requirements.

I need a professional to create a fire safety egress plan for a small commercial building with 1-3 floors. Key Requirements: - Understanding of fire safety regulations and standards - Experience in creating egress plans for commercial buildings - Knowledge of building codes and compliance - Ability to ensure the egress plan is practical and effective for emergency evacuation. I'm looking for a freelancer with proven experience in this field, who can deliver quality work within a reasonable time frame.

I need a skilled AutoCAD professional to create an architectural design for my industrial project. we already have the layout of the plot and building. - Detailed industrial layouts - Functional work area designs

I'm currently in the process of creating a cost items database for residential electrical service items. I would like someone who has previous experience with similar work. I will need the database to be input into my management software called "Contractor Foreman". This database will need assemblies of materials assigned to each task. Key Requirements: - Cost estimates for lighting fixtures, electrical outlets, circuit breakers, and all other necessary items for a residential electrical service and remodel with adjustments for different types of condition that can e encountered. - A detailed breakdown of costs for each category is essential. - Extensive experience in providing accurate and reliable cost estimates for electrical systems is a must. - Knowledge of the ...

I am seeking a skilled freelance engineer or designer with experience in building mechanical prototypes. The task at hand involves creating an adapter for DrinkMate to a universal bottle. The project will involve: - Collaborating with me to determine appropriate dimensions for the adapter. - Designing a CAD file for the adapter, ready for 3D printing. Note that I have no preference for the 3D file format, so we can decide on the best one for this project. - Creating a physical prototype of the adapter as well as the CAD file. (this may be a second phase) Ideally, I am looking for someone with experience in 3D printing, mechanical design, and of course, proficiency in CAD software. Open communication and a collaborative nature is highly valued in the completion of this task. I see this p...

I am in need of an individual who is proficient in designing 2D floor plans. The project involves a residential property and the entire plan needs to be drawn out using measurements in feet. Ideal skills and experience: - Proven experience in architectural design - Proficiency in CAD or relevant drafting software - Strong knowledge in building codes and regulations - Previous work with residential properties As for deliverables, I expect a well-rounded, professional-grade 2D floor plan following the dimensions and specifications I will provide. I am looking to build a guest suite on an existing foundation. I would like a layout for a single bedroom and or 2 bedroom if possible. The current foundation is 36' wide x 24' deep. I have a few requests, that must be present. 1-...

I'm in need of a skilled 3D printing expert to help create a set of custom shot glasses and a holder for a spirits collection. The ideal material for this project is plastic. The project involves the following: - Custom Design: You'll be responsible for creating a unique, aesthetically pleasing design for both the shot glasses and the holder. - Practicality: The shot glasses should be functional, ensuring that they can hold liquids without issue. - Precision: The design should be accurate and tailored to the specifications provided, ensuring that the glasses fit the holder perfectly. Having prior experience in designing and 3D printing similar items, particularly in plastic, will be highly beneficial. A knack for creativity and attention to detail is also essential.

I'm needing a proficient user of Bricscad to refine my moderate complexity drawings. The main focus will be on enhancing the final presentation before it's submitted for CNC machining quotes. Ideal candidates should demonstrate: -Strong experience with Bricscad -Impeccable attention to detail and precision -Prior experience with CNC Machining Drawings -Familiarity with moderate complexity designs. Your role will be integral in ensuring accuracy, readability and professional portrayal of the drawings.

I'm seeking an experienced PCB Design Engineer to develop a small, multilayer PCB using Altium Designer. Requirements: - The PCB should be small in size - The design needs to be multilayered - Proficiency with Altium Designer is essential Please note that the project does not involve any other software beside Altium. The project is urgent, so timely completion is a crucial factor. Ideal Skills: - PCB Design with Altium Designer - Experience with small, multilayered PCBs - A track record of delivering projects on time Looking forward to your proposals.

I'm seeking a skilled Mechanical Design Engineer to create a professional gaming mouse with specific features and ergonomics in mind. Key project details and requirements: - The mouse should be primarily designed for professional gaming. - Customizable buttons are a key feature I'd like to incorporate into the design. Ideal Skills and Experience: - Previous experience in designing gaming peripherals would be highly beneficial. - Proficiency in Solidworks CAD software and a good understanding of mechanical engineering. - An understanding of ergonomics and the ability to design for user comfort and ease of use. Your task will be to develop a concept based on the provided requirements and deliver a detailed design ready for manufacturing. Strong communication skills and a proact...

I am launching a new business in the denim jeans fashion industry and am seeking a creative and experienced fashion designer to collaborate on unique and trendsetting designs. Additionally, I require assistance in identifying and vetting international manufacturers to produce my denim line. - **Fashion Designer Collaboration:** - Develop original denim jeans designs that align with my brand vision. - Work closely with me to refine designs and choose materials. - Create detailed technical specifications for manufacturing. - Ideal candidate should have a strong portfolio in fashion design, preferably in denim, and a keen eye for trends. - **International Manufacturing Sourcing:** - Find and assess international manufacturers for quality and reliability. - Negotiate costs and ma...

I'm looking for an experienced architect or designer who can create a detailed plan for my single car garage based on the attached design and working within local municipal code. Key Features: - Incorporation of an electric vehicle (EV) charging station - Designing a loft space that can be used for additional storage The dimensions I have in mind are 14 feet by 24 feet. Ideal skills for this project include: - Proficiency in architectural design and drafting - Experience in designing residential garages - Understanding of electric vehicle charging station requirements - Creative space optimization for loft storage. I'm looking forward to working with someone who can bring my vision to life while ensuring the garage is functional and practical.

I need specialized assistance in incorporating comments into certain areas of my MEP (Mechanical, Electrical, and Plumbing) design to ensure that they fulfil the requirements of the Canadian Building Code (CBC). This endeavor specifically involves a residential building. Key requirements: - Redefine Electrical Systems: Help in reworking the electrical systems design with meticulous attention to the ideas in the feedback. - Adjust Mechanical Systems: Assistance in harmonizing the comments into my mechanical systems design is needed. - Enhance Plumbing Systems: Need your expert input in enhancing my plumbing systems design as per the received remarks. Ideal skills and experience: - Detailed knowledge of, and practical experience with, the CBC - Proven experience in MEP design for resid...

I'm looking to have a floor plan created for an addition to my property. This addition will be more than 500 sq ft and designed for extra living space and an additional bedroom. Skills and experience needed include: - Solid understanding and practical experience with architectural design and drafting - Proficiency in creating detailed floor plans - Familiarity with designing large spaces (500+ sq ft) The design should optimally utilize the space and take into consideration the flow from the original structure to the new addition. Although the project focuses on floor plans, the ability to provide quality renderings is a plus. Please provide examples of prior projects, particularly those involving sizeable additions. Your bid should reflect the complexity and scale of the project.

I'm looking for a talented illustrator to create a detailed ink drawing of a building. The piece should be done in an eye level view, with a focus on capturing the detailed features of the structure along with appropriate use of shadows. Key Requirements: - Detailed Features: The drawing should include intricate details of the building, capturing its architectural elements accurately. - Shadows: Shadows should be incorporated in a realistic way, enhancing the depth and dimensionality of the drawing. - Ink Medium: The drawing should be done using an ink medium. Ideal Skills and Experience: - Drawing/Illustration: Strong background in detailed and realistic illustration is important. - Ink Medium: Experience with ink drawings, understanding of light and shadow techniques. - Architect...

I'm seeking a skilled CNC programmer who has in-depth experience in modifying existing designs. This job involves simplifying the geographical representation of the Hawaii state design on my Shark CNC, specifically: - Reducing the complexity of the design for easier carving - Separating the Big Island from the other islands but retaining the same proportions - Creating two separate programs, each featuring the simplified design An ideal candidate for this job would have a strong background in geographical simplification and separation techniques in CNC programming. You should also be able to retain overall design proportions while making such modifications.

Must show experience of previous prototyping I'm in need of a skilled professional to help me create a physical prototype of my product. The prototype will be made of plastic, and I would like the process to involve 3D printing. Key Requirements: - Experience with physical product prototyping - Proficiency in working with plastics - Expertise in 3D printing technology Your responsibilities will include guiding me through the prototyping process, from conceptualization to the final physical model. You'll need to provide insights, suggestions, and technical advice on how to best translate my product idea into a tangible, plastic prototype through 3D printing. Ideal Skills: - Product Design - 3D Printing - Plastics Engineering - Prototyping Experience - Strong Communication S...

I'm looking to have a 3D mold developed for prototype purpose. This mold should be designed for compatibility with silicone. The design requires no specific pattern or intricate details: a simple, basic shape will suffice. Ideal candidates should have: - Proven experience with 3D mold designs - Familiarity with silicone as a molding material - Ability to deliver a high-quality, functional prototype - Strong comprehension of spatial design and volume calculations. I would appreciate seeing relevant work samples from your portfolio before proceeding. Please place a bid accordingly if you can meet these requirements.

I am seeking an experienced structural engineering professional or firm to provide accurate structure calculations for a commercial metal handrail project. Project Insight: - The project involves the design of small metal handrails, intended for commercial use. - The desired stairs' size would range from 0-10 feet. Ideal Skills: - Confidence in structural calculations for non-structural metal work, specifically handrails. - Previous experience in designing commercial metal handrails is highly preferred. - Precision in determining dimensions, particularly within the 0-10 feet range. - Strong understanding of metalwork within commercial settings. With your help, I aim to achieve a high quality and safe commercial metal handrail that both fits its intended setting and follows a...

I need a proficient structural engineer who can deliver a General Arrangement (GA) drawing and design verification for a Reinforced Cement Concrete (RCC) beam. The task at hand involves a cantilever carporch of 3.5m x 6m dimensions, destined for vehicle parking. I'm picturing an industrial-style steel beam that will be supported over an existing 250x600 RCC beam, which itself sits atop an RC column. Importantly, the carporch won't be subjected to any extra weight besides the vehicle. Your experience and skills: - Mastery of industrial design style - Proven experience in RCC and steel structure design - Proficient in providing design verification - Knowledgeable in GA drawing - Able to optimize for weight and structural stability Your main deliverables: - A GA drawing of the s...

I'm in need of a SolidWorks expert who is well-versed in sheet metal design. The project involves both creating sheet metal parts from scratch and making intermediate modifications to existing designs. Key Responsibilities: - Designing sheet metal parts from scratch - Making intermediate modifications to existing designs, such as changing folds, adding cutouts, modifying bend radius, revising hole placement, adjusting dimensions, and potentially other specific changes You should have: - Proficiency in SolidWorks, with a strong focus on sheet metal design - Experience in creating sheet metal parts from scratch - A solid understanding of bending, cutting, and folding principles - Prior experience in modifying existing sheet metal designs, preferably intermediate modifications - Good ...