Sherpa Spring tensioner

thingiverse

This is spring tensioner for sherpa extruder. Its 1,2g lighter than BMG style. It uses just an M3 screw, and for some case M3 Nut. But it needs another spring 0.8 x 4.8 x 8mm. Three kinds of heads. 1. Flat head. M3 x 18mm, M3nut. 2. M3 x 20mm screw without a head. M3 nut 3. Knurled Head, it needs just a M3 x 16mm screw, Knurled head, inner HEX. Using a titan screw, the weight would be less than 1g http://alli.pub/65xu5d Buy a spring from here: http://alli.pub/65x59d After print, glue nut, cap and screw together.