Dampening feets for Ultimaker 2 & 3
Using Sorbothane half-spheres.3D printer parts and enhancements
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These feets use 50 durometer, 30 and 40mm half-spheres made out of the visco-elastic urethane rubber "Sorbothane" to reduce the amount of conducted vibrations by a lot, without the problems of self-induced oscillation of more springy solutions.
The front use 30mm half-spheres, where the rear uses the 40mm half-spheres. This is because the Ultimakers are a bit back heavy and the Sorbothane half-spheres needs a certain amount of loading to perform well.
They work extremely well compared to most other solutions i have tried through the years, and makes the printer appear much more silent than before.
Materials and methods
I bought my sorbothane 50 durometer half-spheres (two 30mm and two 40mm needed per printer) rom the seller "soundupgrade" on eBay:
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