Rope Pushing eLastic Mod for Wanhao Duplicator i3 - 3 Series Extruder

Printing soft TPE filament was a challenge on my Wanhao Duplicator i3. The elastic filament would escape the filament channel and stop extruding. This replacement body has a tight fitting channel that actually mates with the idler wheel, leaving no room for the elastic filament to escape.

Print in the orientation provided for best results and redrill the filament channel to 2mm. You have the openscad file and it's a culsomizer if you need to tweak the part a bit for your particular 3 series e