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Prototype Design and Fabrication

Prototypes allow our clients to see, hold, feel and modify their products before committing to high volume manufacturing. We can help you with your patent search, prototype design. prototype engineering, prototype fabrication, prototype testing and high-volume manufacturing.


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Prototype Design

We will transform your idea into to a working product. 

We will work with you to create a Computer Aided Design (CAD) Model of your product using Solidworks 3D CAD software. This digital prototype allows you to see a 3D model of your product on a computer screen that we can rotate, zoom, place in a realistic environment or make photo realistic renderings of your product. 

This stage of the product design is one of the best times to fine tune the design because changes to the 3D CAD model are quick and easy. 

We can perform structural analysis on the prototype CAD model to make sure it is going to be strong enough or thermal analysis to make sure any electronics stay cool enough. Once the customer is satisfied with the 3D CAD model, it is used to create engineering drawings and a physical prototype.

More info on Design Services
Prototype Fabrication

We fabricate and deliver your prototype in a timely manner and at a competitive price.  We can manufacturer your prototype using appropriate manufacturing process including: 

  • Machining
  • 3D printing
  • Sheet metal fabrication
  • Water jet cutting
  • Laser cutting
  • Welding
  • Molding and forming

A physical prototype can be fabricated from metals such as steel or aluminum or plastics such as polycarbonate or ABS plastic or any other material desired. Whether you are looking for proof of concept prototype or a pre-production prototype, we can help you pick the best materials and manufacturing processes to ensure your prototype and eventual product will be successful.

We always offer free consultations, quotes and estimates

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About Us

Johnston engineering is the region’s best product development engineering company.  We provide the best design, engineering analysis, build and test services to ensure our customers success.     Our approach of Integrated design and analysis ensures the quickest product development cycle and least number of prototype iterations which saves our customers time and money.  We design, fabricate and deliver your product in a timely manner and at a competitive price.


Johnston Engineering has over 40 years of combined experience in the following service areas. 

  • Product design
  • Product engineering
  • Engineering analysis 
  • Prototype design
  • Prototype engineering
  • Prototype fabrication
  • Prototype testing. 

We have designed products for many different fields including the following.

  • Aerospace
  • Pharmaceutical
  • Medical device
  • Food and beverage
  • Firearms safety and hunting
  • Electrical power generation and distribution
  • Consumer products 
  • Recreational products 

We can help you through all stages of the product development cycle from napkin sketch to high volume manufacturing.

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