3D Printed Check Valve

by XYZAidan Mar 7, 2016
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Impressive. I've been considering doing something similar. Do you know if silicone caulk (the stuff used to seal fittings in bathrooms) would work as a valve material. Would be handy as it's slightly easier to get hold of. Did you use any release agent when casting the silicone piece? or does it just stretch and pull out?

thanks so much! I doubt silicone caulk would work though, because A. the gasket of the valve needs to be very flexible and B. I've tried molding silicone caulk in 3D printed molds and it is impossible to demold without tearing the rubber. For my mold, I didn't need any release agent. Once cured, the gasket just slips right out.

Hmm, I was afraid of that. Thanks for the reply, I guess I'll be getting some silicone then!