I used 2mmX3mm magnets for the case and a 1/8" drill bit to open the holes up a bit since there was some elephant's foot. Will try to fix this in the next revision.
Printed at 0.16 dynamic layer height in cura on my Ender 3 S1
30% gyroid infill
tree supports only touching the build plate enabled at 60º and up
may be able to print without supports on a better cooled machine
The author remixed this model.