Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5828902.

I really like this screwdriver but it's really meant for smartphone and little components, so i design 2 handles capable of delivering an increased ergonomy and to develop an higher tightening torque.

It is designed to be printed with a 0.6 nozzle

The design is press fit in the existing handle.