CTC Part Cooling

This parts are working fine with this MKS base bouden mod: https://www.thingiverse.com/thing:2756863.

You need 2 screw (M3 33mm), 4x hexnuts, 2x clamping rings, 2x square nut and 1 axial 40mm fan.

This design is not the best but it works fine for me since two month.