These are Gridfinity inserts for Facom screwdrivers (old design with label on red ring).

The model is inspired by and designed as an extension for the Gridfinity Universal Wera Screwdriver Inserts by Scubafan.

This includes models for 120mm handles (e.g., ANXR30x125, ANXR27X100, ANXR25X100, ANXR20X100), 110m handles (e.g., ANXR15x75), 105mm handles (e.g., ANXR10x75) and 96mm handles (e.g., ANXR8x50).

Source files

The OpenSCAD source files are available in my GitHub repository