About this 3D model
This frame has pegs to hold after-market silicone ear pieces for Airpod Pro earbuds that do not fit in the case while charging. Required parts (other than the headphones): Charger: https://www.amazon.com/gp/product/B082FWLFW7/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1 The original problem is the silicone pieces do not fit in the charging case and are easily lost. Here is the solution: Here is everything assembled.