GT2 Pulley 20 teeth with hole made for 28byj-48 motor shaft

GT2 Pulley 20 teeth with hole made for 28byj-48 motor shaft

thingiverse

Hello, The original file had only one hole to screw a grub screw in it, so the pulley wasn't centered at all in its rotation. By adding two holes and two grub screw (M3,5), you can center the pulley on the stepper motor's shaft.

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