Clip-on CW1/CW1S Propeller

This remix allow 6 x 20x6x2mm magnets or 12 x 20x6x2mm magnets (low power magnets).
For 6 x 20x6x2mm magnets, use the CW1-PROPELLER_MagnetSpacer.stl ti maintain the magnet in position.

The two parts of the propeller (bottom and top) are not glued ; the top part is clipped on the bottom part.

This assembly use also a 8mm POM Ball.