Pen holder for gym lover
All parts can be printed in single-color mode but the barbells look much better if you do dual material like in the pictures
BOM:
Two bars fit in the slots of the racks, you can't miss it
Mine held together well with no glue but depending on your tolerances you might want to glue it.
If you don't want glue but it is loose, try reprinting the beams with an increased flow rate
Couldn't find it so made it myself and am not sharing it, the idea isn't mine but I checked, and the one you can buy is not trademarked or patented so I'm allowed to reproduce it.