Useful Tools and Information:

Labrigger - Neurotechnology Blog

Onshape - Powerful browser based CAD tool

FUNdamentals of Design - Practical resource

Machining:

For 2D cutting,many online service provides accept or import DXF files. If you are processing acrylic, and a few other plastics, we recommend laser cutting. Nearly everything else can be processed with a water jet. Typically all you need to do is upload your file, select your stock material and thickness, and review the quote. Here are a few excellent service provides that we use:

https://www.emachineshop.com/

https://www.bigbluesaw.com/

https://www.protolabs.com/

Protolabs and eMachineShop also offer excellent 3D milling services. Standard 3D CAD files can be easily uploaded and reviewed online.

3D Printing:

For 3D printing, additive manufacturing, a quick web search will confirm that numerous online options exist. Here are a few companies that have served us well.

https://www.protolabs.com/

https://www.hubs.com/

https://www.shapeways.com/

https://www.sculpteo.com/en/

PCB Manufacturers:

https://www.sunstone.com/

https://oshpark.com/

https://www.seeedstudio.io/fusion_pcb.html?gclid=EAIaIQobChMI5cTNjIyC4gIVxksNCh2UvQpeEAAYASAAEgJHQfD_BwE

https://www.4pcb.com/