Ultra light extruder with worm gear 1:20

Use warm gear 1:20 with module 1. Two bearings 695ZZ and one 626ZZ. Standard MK 7 bush 5mm bore 12mm outside diameter. Nema 11 stepper motor, high torque version 45mmm length. Designed for 3mm filament material. Wight 252g
Print it out without support material. Remove material before assembly, pointed as a red surfaces on the picture .