Foot for 3030 extrusion. Vibration dampening.

These feet attached to the 3030 aluminium extrusion at the base of my Wombot printer.

Important - These must be printed in a flexible filament e.g. TPE, TPU or Ninjaflex etc.
They must be flexible firstly to open up and clip around the extrusion and to also for effective dampening. No point using PLA or ABS for this thing.

The design clips neatly around and in the slots so it won't fall out when the printer is lifted up.
I printed at 15% infill which gave the ideal elasticity with TPU fi