worm gear involute

My attempt to make a worm

module 1, reduction 1/36
30 ° pressure angle to facilitate printing (normal 14.5-25 °)

the screw require you can print with overhand 30 °
the screw printed very slow 15mm/s, layer 0.1mm
the gear 30mm/s, layer 0.1mm

the rest layer 0.2mm

require:
screw 2 x 8mm
shaft 2mm
drill 2mm and 2.1mm

note: solidworks source files available