FreeThird hand module
Thingiverse
6 model
Free
FreeThird Hand "Godzilla" with a small storage box.
Thingiverse
FreeThird hand 3D printing recast
Thingiverse
FreeStrange Third Hand Raspberry Pi Zero Mount for Anet A8
Thingiverse
FreeSoldering HD BASE third hand, helping hand, six tweezers
Thingiverse
FreeFilament holder for RatRig Vcore printer (no third hand required to unscrew the nut)
Thingiverse