A simple doorframe, with little details like plumbing and vents and glass windows and buttons.
Great to use with metal textures, that fit right in the sci-fi feel and universe.
Easy to use or edit.
STL (Stereolithography, filesize: 366 KB), OBJ (OBJ, filesize: 759 KB), FBX (Autodesk FBX, filesize: 173 KB)