Mini Skidi Drive shaft gt2

used gt2 80tooth mod for the drive belt used: https://www.amazon.com/dp/B0BZNVMGGB?product_details&th=1 Parametric pulley - lots of tooth profiles by droftarts on Thingiverse: https://www.thingiverse.com/thing:16627 and tinkercad to mod pulley with original stl for pulley used https://www.technobotsonline.com/timing-pulley-distance-between-centres-calculator.html to calculate number of teeth for pulley to figure out center line required of mod, original mini skidi uses a 57mm center line.