25mm table-thickness, with cable holder, supports 36mm headbands or smaller, with optional hole for 7mm heated insert to attach it to the table with a screw
Based on the design from https://www.printables.com/model/103962-headphone-holder/files @FZola
The author remixed this model.
different dimensions & edge chamfers, larger (36mm) headband support & support for 25mm table thickness, additional hole for heated insert