5 model

Free

18T MXL Pulley (4mm shaft)

Printables

Free

PULLEY T5-18T

Thingiverse

Free

GT2 Pulley 16T / 18T / 20T

Thingiverse

Free

18T GT2 Pulley 6mm bore

Thingiverse

Free

EM-483 or 4mm motor pulley with 18T

Thingiverse