BIT holder keychain Screwdriver

Here I made the depth of the slot 1.5 cm and made the tip oval. Thus, the tips helped him to grip well and firmly.

PRINT SETTING:
MaterialÇ PETG
Nozzle Size: 0,4mm
Layer Height: 0.2mm
Vertical Shells: 4
Top/Bottom Layer: 8
Infill: 100%
I have activated the ironing of the upper surface.

When I tested the product, I pushed it too hard, put a load on it, and it showed solid strength.