Rapid Prototyping Service

Rapid prototyping machine
Shaft holder
Medical device

If you need online rapid prototyping we are one of the most capable and affordable sources and we can get the job done right. Download our Free CAD software today and design your custom part or convert an existing file. Order online for ultimate speed and convenience.

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About our service

eMachineShop offers a unique approach to providing rapid prototyping services. We provide special free CAD software that allows you to easily draw your part or convert an existing design. The software then provides instant expert feedback about your design and helps you correct any issues to ensure a smooth trouble-free process. It then gives an instant price - saving you from waiting for quotations. And finally the software allows you to order your custom parts online with just a click - at prototype or production quantities. 

We use state-of-the-art machines and diligently follow all design specifications. We continually strive to improve and optimize our processes and maximize customer convenience. Our customers range from inventors to businesses to government agencies. We are focused on quality and customer service.

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Get started today - design, price and order your custom parts through eMachineShop

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How rapid prototyping works

Rapid prototyping developed as an outgrowth of liquid photopolymer research, a class of plastics that solidify under high intensity ultraviolet laser light. Early RP methods where SLA's or stereolithography. Fused Deposition Modeling (FDM) is a newer approach that opened up a wider range of materials including polycarbonates, ABS plastics, and others. eMachineShop offers FDM Fused Deposition Modeling which uses a heated nozzle to extrude plastic having a 0.01" diameter onto a work piece. In this manufacturing process fused plastic is deposited layer by layer according to the 3D model.

Advantages 

Rapid prototyping typically produces low quantities of parts without tooling so that fast turnaround and low cost is possible. RP allows engineers, designers, managers and end users to check designs for usability, appearance, manufacturability, fit, function, etc., prior to committing to conventional manufacturing. RP speeds the design cycle. 

Shapes 

Almost any 2D or 3D shape can be made including shapes that cannot be made using conventional machining. Examples of a few applications include: EnclosuresBracketsToy Parts, Mechanisms, Shape models, etc.

Cost reduction

Ways to reduce cost include: reducing the weight of the final part and using proper part orientation. For example building a cup oriented in the normal way is more economical that building a cup oriented upside down.

Rapid Prototyping Design Considerations

The following applies to eMachineShop RP:

  • Extrusion diameter (D) .01"
  • Tolerance: +/- 1D.
  • Min hole diam: 5D
  • Min wall: 3D
  • Min cylinder protrusion: 5D
  • Min wall thickness with no holes or cutouts: 3D; with holes or cutouts: 10D
  • Min height of horizontal slots in side of part: 25D
  • Min material between hole and edge or between holes: 4D
  • Min acute angle: 30 deg.
  • Max size: 5" x 5" x 5".
  • Material will be slightly porous and therefore is not appropriate for containers of gases or liquids.
  • Surface roughness: ~1,000 Ra for .01" extrusion, ~2,000 for .02" extrusion.
  • Small gaps may occur at intricate or curved features.
  • Intricate features, such as small lettering are not recommended.
  • To thread holes, use Line | Machine | Thread.

Note: In the eMachineShop CAD software, choose Job | Materials | ABS and enable the corresponding option in Job | Settings | Specifications: Auto | Process permissions. 


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"I could not have been happier with the quality of the parts I had emachineshop make. I was skeptical at first and afraid the parts would not be as nice as I was hoping. But they where exactly what I was wanting!"
- Randy
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