3D Modeling by 3dsMax Poly for 3D Printing – M20 Bolt & Nut.
It’s not a solid-modeling or CAD. If you want to download 3d-model file of that for 3d-printing. you can get it for free on linked site https://www.3dupndown.com/content/?pcode=cont_view&idx=6186
Post time: Jun-13-2017