No parts should require supports.
Screws thread into plastic.
Parts required for 13 arms:
5x 250mm long M3 threaded rod
26x M3x10mm
26x M3x6mm
10x M3 Nut
26x F683zz bearing
14x MF128ZZ bearing
1x 5x5mm square tube 300mm long (I used brass, haven't tried using a printing one)
Optional motor drive: JGB37-520 motor (I found 12V 100RPM works well)
Hopefully there are no mistakes :)
The author marked this model as their own original creation.