Prototek will launch a consolidated website at by the end of the year. Midwest Prototyping invites you to continue receiving high-quality parts—launch date TBD. Stay tuned.
- New Technology -


Why are we so impressed with Postpro3D?

The PostPro3D produces injection molded-like surfaces for Laser Sintering and Multi Jet Fusion.

Additive Manufacturing Technologies (AMT) has developed the next step in the digital manufacturing world, an automated finishing solution.  The Postpro3D not only offers an ultra-smooth finish it boosts no loss to tensile strength, increased elongation at break, and less porosity.  Midwest Prototyping has found this technology so handy we have a whole fleet ready to speed up your post-processing and finishing needs.  We’ve found our clients are extremely happy with the results and the automation helps us build and finish more quality parts in a shorter timeframe.   

Postpro3D automated post-processing department


AMT developed the BLAST (Boundary Layer Automated Smoothing Technology) process that can smooth a wide variety of thermoplastic polymers using a physio-chemical treatment.  Using condensation of chemicals onto the surface of the part the polymer reacts to reflow and irregularities and sealing occurs.  During the curing phase, the chemicals are evaporated causing the surface to solidify.

Surface Quality

The BLAST process has been used on everything from glasses frames to medical applications and can be used for industries from automotive to aerospace.  The Postpro3D can create a surface finish with a Ra of less than 1 micron.

Black Bellow Post-processed by PostPro3D
Black Bellow before Post-processing by PostPro3D

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