Headphone Seat Post Holder [WIP]

Words to note: Original Design is very overbuilt. It may have been due to my settings and printing the parts out of two different materials (PETG and TPU) but it looks like one of the parts will need to have a horizontal expansion of at least 0.5mm to make them fit snugly together. Parts of current have over 1mm of slack all the way around, top, bottom, and sides of the mounting plates surfaces. (nothing a soldering iron can't fix) A bit busy to tinker with the design atm.
A very comfortable