assin shares:
Customizable drill jig for vertical drilling. It can be used e.g. for forstner drills or with normal drills. As drilling guide you can use anything you want (or have). Use your existing drill bushing or use (multiple) bearings. Adjust the guidance_* parameters to your needs.
If you want to use bearings you should set guidance_wall_height > 0.
If you want to use anything with threads you have to download the thread library from GitHUB and place it in the same folder as the .scad file.
To determine the correct parameters for your thread use the file Thread.scad.
This thing has to be printed with supports, but you really don’t want to have supports in the thread. Use Cura’s support blocker for avoiding support in the thread (see picture).
The STL file uses the drill bushings from the Wolfcraft Dübelleiste 4650000 with these values for the thread:
guidance_thread_diameter = 16.5;
guidance_thread_pitch = 2;
guidance_thread_tooth_height = 1.7;
download the files on: https://www.thingiverse.com/thing:5317793
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