Models
Hex Bit Holder 3D Printable Models. Makeshape.co have 2 Hex Bit Holder 3D Printable Models.
Bit holder for power drill Einhell TP-CD TE-CD
Thingiverse
Plastirat
Free
MiniTool for 4mm Hex Bits, iFixit
Thingiverse
Squatchbotics
Free