This is a carrying case for the Ploopy Adept, 3D-printable and everything! It was designed by Reasonable_Cut1580 over on Reddit. Get the STL here: https://github.com/ArtiomSu/artiomsu-trackball-comparisons-and-mods/blob/main/ploopy-adept-stl/ploopy_case-base-no-username.stl Designer credit: https://www.reddit.com/user/Reasonable_Cut1580/