Berserker of Black - Frankenstein weapon

Hey all! Back with another design for a character from Fate/Grand Order (or Apocrypha). Berserker of Black, or Frankenstein, has an interesting pole-like weapon. The designed parts are to be printed and fit specifically around a 22mm round object of 150cm height, like a broom handle! The big sphere on top will be made from a styrofoam ball (30cm diameter).

The "Ash tray" and "Top1" fit together, and "Top2" is connected around "Top1".
"Sphere" fits inside "Feet", and "Cylinder" fits around "F