Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:6035887.
Wall mount pieces for Lego set 40591 Death Star 2
1-piece set to wall mount Death Star with parts from its included stand.
Print WallMount piece with the large hole in the cylindrical piece facing upwards. Supports may be required for the screw hole depending on your printer setup.Secure WallMount to surface with appropriate fixing. Remove the existing lower piece of the Death Star mount, leaving the round pieces connected to base of the Lego set. Slide the round pieces into the hole in the cylindrical part of the mount and affix the Fully Armed and Operational Battle Station atop the round pieces.
Hole in bottom of cylindrical piece to allow for the grey bar piece that runs through the round pieces.
I printed the part in PETG with at 0.4mm with a 0.6 nozzle and have had no issues at all. 3 or 4 perimeters/shells minimum recommended.
This is the first iteration of the wall mount for this set I've designed, so its a bit rough around the edges, I may update it if I can simplify or upgrade it in the future.