Hornady Primer Catch Bottle Holder (Magnet Mounted)
ALL FUTURE MODELS WILL BE SHARED HERE:
https://cults3d.com/en/users/antirice/3d-models
Remixed this from the one that kylec99 posted. The original worked well and was perfectly sized on the first try, but I didn't want to drill mounting holes to mount it to the side of my toolbox. I revised the design to use 8 @ 9mmx2mm neodymium magnets (link below). It holds very well so far, but I haven't tried with the bottle being full of spent primers. Time will tell - please provide feedback if you get a chance to try it out!
The magnets are superglued into the holes.