Professional Prototyping for Inventors
Get direct, 1-on-1 engineering expertise to turn your idea into a functional reality. I specialize in taking you from an idea to a working prototype using in-house CAD design and 3D printing, providing the technical validation you need for patent filings, investor demonstrations, and manufacturing readiness.

HOW IT WORKS
DESIGN
- Mechanical CAD
- DFM (Design for Manufacture)
- Electrical CAD
- Customer Feedback
PROTOTYPE
- 3D Printing
- Program Electronics
- Fit Check Parts
- Build
TESTING
- Test and Refine In-house
- Reprint as Needed
- Reprogram as Needed
- Customer Field Testing
YOUR ENGINEER
Napkin Sketch

TO PHYSICAL PROTOTYPE

What Our Customers Say
“Our company worked intimately with and relied heavily upon McLellan Engineering. We could not have succeeded as quickly as we did – designing and readying our new consumer product for the marketplace – without their expertise and industry insight.
“Working with McLellan Engineering made my invention a reality. Bruce not only provided great insight to my project, he took the time to discuss the entire process of designing, manufacturing and bringing the invention to market. I highly recommend using McLellan as a resource for any new product.”
” McLellan Engineering’s services are outstanding. We have hired them for multiple medical device design and development projects and they have consistently exceeded our expectations in quality, innovation and design. Bruce McLellan’s very knowledgeable background in rapid prototyping of small parts combined with his innovative designs makes McLellan Engineering a valuable engineering tool for any company.”


