"Knowing is not enough; we must apply. Being willing is not enough;

we must do. "

Leonardo da Vinci

Prototyping Services

As new products continue to be designed and developed every day, the need for prototypes remains strong. Technology advancements and skilled engineers allow our team to build professional, high quality prototypes. We provide prototypes for every need, including early stage concepts, prototypes that demonstrate functionality for validation and final prototypes that are engineered for production. While maintaining basic machining and metalworking capabilities at our facility, we have developed a network of vendors that can deliver almost any imaginable part for your prototype on time and on budget.

We collaborate with a number of rapid prototyping suppliers to bring you the following services:


Rapid Prototyping
• Stereolithography (SLA)
• Selective Laser Sintering (SLS)
• Fused Deposition Modeling (FDM)
• Polyjet
• Zcorp
• Urethane Casting
• Rapid injection molding
• Rapid CNC Machining



Reverse Engineering Traditional Prototyping
• 3D Scanning • CNC and Manual Mill Machining

• CMM (Coordinate Measuring Machine)

• Metal Stamping – Soft Tools
• Precision instrument measuring • Sheet metal fabrication
• Solid modeling – Computer Aided Design • Cut and Welding
• Material testing • Plastic Composites
  • Injection Molding














Proof Engineering is capable of prototyping over a wide range of applications such as::

  • Automotive components and systems
  • Consumer products
  • Heavy machinery components
  • Wind tunnel models
  • Mechanisms
  • Solar energy components
  • Inventions
  • Machine ergonomics

In-House Capabilities

Our staff is diverse, having both engineering and hands-on experience. For simple fabrication and modifications, we have the capacity for the following:

  • Manual End-mill Machining
  • Metal Lathe Turning
  • Welding
  • Cutting
  • FDM 3D Printing


Client Testimonials

ViaSol Energy Solutions CEO:

We’ve been working with the principals of Proof since our company was started.  The Proof team performs so well that we have incorporated their mechanical engineering expertise into our own value proposition. After completing five complex solar projects together, and helping us develop two entire product lines, we cannot imagine working with anyone else.

Home | Structural |Mechanical |CAD| New Product Development | Prototyping

Proof Engineering Co. | 1135 N. McQueen Rd. Suite 131 Gilbert, AZ 85233 | (480) 478-0041