This design is avaible under GPL v3.0 (not GPL v2.0 as thiniverse states). This is for compatibility with licenses of both ender 3 and voron afterburner.
Hi. This is another mount for voron afterburner to ender 3. Compared to other mounts, it reduces the Y range the least and is most rigid (as of September 2020). There is a price to pay, and that is a change to the afterburner design: a new motor plate.
It is compatible with afterburner as of commit 731dceba If afterburber design changes, it may need an adaptation so watch out.
The designs for ender 3,  ender 3 pro and ender 3 v2 are different, because they have slightly different X carriage plates. I have only tested the pro version because this is what I have. If you test other versions, let me know if they fit well.
You need a slim nema17 motor, otherwise it may hit Ender's z profiles. By reports in Voron discord, 23mm fits fine. (The spec motor for afterburner is 20mm.)
BOM is everything you need for an afterburner plus m3 screws and m3 heat inserts (see…

Q3 p108