I modeled a lower cap to cover the bolt feet because they scratched up my tabletop. It friction fits to the plastic piece already on the head of the bolt foot from below.
This would be perfect in rubber however my prints with EcoFlex have come out very flakey. I did mod the extruder motor bracket with a tube from a pen going all the way up to the drive gear so that the filament would not slip. And, not one jam/ twist. However, the quality still leaves much to be desired.
Currently made these out of PLA and so far so good.
http://www.thingiverse.com/thing:319751
I can post pictures if anyone asks.
This would be perfect in rubber however my prints with EcoFlex have come out very flakey. I did mod the extruder motor bracket with a tube from a pen going all the way up to the drive gear so that the filament would not slip. And, not one jam/ twist. However, the quality still leaves much to be desired.
Currently made these out of PLA and so far so good.
http://www.thingiverse.com/thing:319751
I can post pictures if anyone asks.