Ultimaker springy wheel

SummaryWanted to have a extruder wheel that slightly gives a bit.. When thers a Pressure being built up in the filament drive, the cogwheel can jump a tooth and release that pressure. less stress on the filament when retracting very fast and often. maybe its good for difficult materials aswell. i think of soft materials.. different variants provided InstructionsFirst one is a bit too soft. second one is good. has some polygon issues i will correct.. but prints fine Print with Hard material like the clear ones