Frame corner modeled and rendered in 3ds max 2017.
3d Printable/Castable model.
Model Size :- Length : 50mm, Width : 50mm, Height : 20mm, Thickness : 4mm
Polys : 14018 and Verts : 7016
Useful for mirror or photoframe corners.
Tutorial also available : https://www.cgtrader.com/tutorials/5430-how-to-make-picture-frame-corner