Conical Robotic Tentacle

by gianteye, published

Conical Robotic Tentacle by gianteye Jan 14, 2013
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3656Views 867Downloads Found in Engineering


This is an early prototype for a soft robotic tentacle. These files form the mold, in which you cast two part RTV silicone. These were printed on a modified Z-Corp printer, with Viridis' material MakerDust forming the outer shell, and corn starch forming the inner core.

You can find more details on http://har.ms/category/blog/soft-robots/


Print two copies of the outer mold, and one copy of the inner core in a soluble material like corn starch. Alternatively you can print an inner core, cast it, and duplicate it in wax to form a soluble core. Then, assemble the mold together with 1/4-20 bolts and pour two part RTV silicone into the void. I used Smooth-On MoldMax for one of the more successful prototypes.

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The link to your blog for more information appears to be a 404 - can you provide the information either here or update the link?