About this 3D model

Video Demo Parts List Printed parts: sphere*2, central shaft*1 (You can print a few more spare) Purchased parts: common bearings for yo-yo (UR188 bearings) and adhesive stickers (outer diameter 19mm). The 2.0 version has a sticker model. You can print with TPU instead of buying it. The central shaft may need a slight sanding to fit the sphere and bearing. Recommended settings: ***The central opening part of the sphere needs support. Just add it to the protruding part of the opening*** Sphere: 80% or more infill, recommended 85%-90% Central shaft: 100% infill, use a material with the highest possible strength.