Biqu H2 adapter plate for Ender 3 with [linear Rails](https://www.thingiverse.com/thing:3031918). I added space for Cables as well as holes for Cable Ties. Integrated ABL Sensor holder for a Ø18mm inductive probe. You need (additional to the Screws for the Linear Rail):
- 4x M3x6 - 1x M3x20 - 1x M3 Nut
to mount the Extruder. It is hold on three positions: 2x at the back and 1x in the front thrue the hole of the fan.