This is a modified version of WT32-SC01 case created by mbenten on https://sketchfab.com/3d-models/wt32-sc01-case-cfec05638de540b0acccff2091508500. I just only adopt it to the newest version of WT32-SC01 3.3 in which reset switch is moved about 1 mm.
The author hasn't provided the model origin yet.