Mechanical CAD Contracting

Expert Part Design From Start To Finish

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  • 16 years of mechanical and industrial engineering experience

  • CSWE Expert level SolidWorks certification (highest available)

  • DFM/DFA Experience with plastic/rubber injection molding, sheet metal, machining, closed die forging, and rapid prototyping

Years in Business




SolidWorks 3D Modeling

Expert level 3D modeling and detailing services. Experience with all advanced forms of 3D modeling, including surfacing, sheet metal, mold tools, and weldments

Mechanical Design

Experience at every stage of the design process - starting from napkin sketches, creating concept designs, working through prototype iterations, to full production design

DFM Consultations

Experience in providing DFM consultations for part designs to be manufactured with plastic/rubber injection molding, sheet metal, machining, and closed die forging

3D Printing

FDM printing services for quick turn around is available for parts fitting within 9.8" x 8.3" x 8.3" build volume. 20% discount off of comparable Xometry quote


James is the cream of the crop when it comes to professionalism, talent and care. I highly recommend him.

Robert M.

It was a great experience working with James. He aligned quickly with our project plan and goals to produce a render for industrial processing equipment. His quality of work and communication was top notch, and he supported multiple sprints providing continuous feedback and advisory to ensure the output was to our need and expectations as his customer. 10/10 experience.

Evan B.

Exceptional work from James. A true professional for modeling and drawings.

Eduardo S.

James is a true professional and did an outstanding job. We look forward to working with him again in the future.

Ron C.

James is top notch! Great with communication, advice and work ethic. Completed our projects under budget and within time frames.

Logan M.

I'm very pleased with the project. Very knowledgeable and offered great ideas to help along the way. Highly recommend.

Joel F.

James was able to swiftly jump onboard with our project and understand exactly what it was we were asking him to do for us. He clearly understands what he is doing when it comes to CAD work and was able to quickly iterate and complete the design that we wanted him to deliver. Very effective communicator and was not afraid to make suggestions that ended up being very beneficial to the project, as well as to receive feedback and handle it in a contructive and positive manner. I would definitely recommend James to anyone looking for a professional to assist them with their engineering design projects!

Grant H.

James will undoubtedly make your job easier, I feel lucky to have found him and hope to work with him again in the near future.

Maryann M.

James Musser was extremely attentive to the particular requirements of my project. He’s also up to date with the current technology pertaining to injection molding plastics. I hope to work with him again in the future.

Jim W.

James provided excellent communication and outstanding deliverable's. He is extremely professional and his work is on point. I highly recommend him for CAD and modeling skills and will call upon him as a resource again.

Eduardo S.

James is an exceptional person to work with. I am constantly impressed by his professionalism, work ethic, and quality. Truly a pleasure, every time.

Robert M.

James is the best freelancer I have worked with on Upwork. He injected energy into my project and moved things forward. His knowledge of designing a product for manufacturing via injection molding is great and he has an unstoppable positive attitude about resolving issues as they come up. His communications is great, very precise and prompt.

Jacob R.

James was AMAZING to work with. Got everything done in a timely manner while still paying attention to the smallest details. 100% recommend.

Suntej S.

Working with James was a pleasure. He was really easy to talk to and understood what i needed from day 1. James was able to ask all of the right questions to make sure that the project was heading the right direction from day 1. He knows his trade very well and was able to translate it in a way that helped me understand his opinions and plans. Ill definitely recommend James.

Yuriy A.

Loved what I was doing and believed in my product. He took my jumbled up CAD sketches and made my dream into real life. He even went farther and made sure my phone case design fit to the apple guidelines. Fantastic job. Definitely planning on hiring him again.

Jack F.

We hired James and he hit the ground running. Did a great job for us and completed all that was asked of him in a very timely fashion. His communication and follow-up was excellent. Would use him for a future project if need arises.

Rusty S.

Outstanding work! It has been a pleasure to work with James. He is always available when you need him, his communication and problem solving skills are over the top. I highly recommend him!

Lucian P.

James, completed project in a timely manner and provided me with exactly what I requested. Exceeding my expectations; I would absolutely hire him again for future projects. Top Notch Freelancer!!

Tommy D.

Working with James was an absolute joy! He's extremely pleasant and easy to communicate with. What I appreciated a lot, was his enthusiasm, and how it made what could've been an otherwise grueling process an exciting one! He showed extraordinary skills of adaptability and patience. He's very hardworking and went above and beyond often using his personal time to contribute to the project. I HIGHLY recommend James.

Mimi F.

James is a true professional. He was able to complete my project with both speed and precision. James is extremely easy to work with and I will gladly work with him again.

Elijah R.


While the overwhelming majority of projects are covered by NDA's, here are some sample renders for the projects I'm at liberty to discuss:

New Plant Assembly

New Plant Assembly

Air Flow Test Equipment

Air Flow Test Equipment

Concrete Mold Assembly

Concrete Mold Assembly

Ergonomic Paint Roller

Ergonomic Paint Roller




CSWP-A Sheet Metal

CSWP-A Surfacing

CSWP-A Weldments

CSWP-A Mold Tools

CSWP-A Drawing Tools


Injection Molding Design


Interested to hear more, or is there a project that you'd like to discuss? Please feel free to reach out with the contact form below (or give me a call) and I'll respond back as soon as I can. Thanks!


Pittsburgh, PA