Free 

This is a plug-and-play fin designed for easy 3D printing and installation. Simply print the fin and insert it in place of your normal SUP fin — no modifications needed. The design mounts two Apisqueen U-01 motors. I extended the motor cables and routed them to an ESC in a watertight box on the board. Running the setup at 24V, I achieved speeds of up to 7 km/h.
0.2mm layer, 4 walls, 15% infill






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