Main handle is printed in PLA or ABS (something stiff). The grip is MUST be printed out of a flexible filament like TPU. I used BAMTack PLA and SainSmart TPU for the grip.
This shaft should fit a 1.5mm to 3mm Hex.

BAMTack PLA: [http://amzn.to/2pktUCt](http://amzn.to/2pktUCt)
SainSmart TPU: [http://amzn.to/2tY0NKe](http://amzn.to/2tY0NKe)
My Printer: [http://amzn.to/2BBYP4t](http://amzn.to/2BBYP4t)

Print instructions

Category: Hand Tools Print Settings

Printer: Maker Select

Rafts: No

Supports: No

Resolution: 0.2

Infill: 50%

Notes:

I used 1.2mm walls on the main handle with 50% infill.
With the TPU grip I used 0.8mm walls and 20% infill.