Part of this design included ordering 12x1.5 x 1inch lug bolts and M12 x 1.5 low profile nuts. the tube base would sit in the base piece, constrained by the four dowel pins. the two top pieces will sit around the tube and drop down into the base piece as seen in the bottom right. picture. The nuts will sit in their holes on the bottom and the lug bolts will pas through the rotor, then the 3D printed component and screw into the nuts. The component and the tube will then be constrained to the rotor via those bolts. Once tight the assembly will be lifted to the top of the rotor. These parts were then spray painted black to match the aesthetic of the lamp.