I have created this sci-fi portal for either a game or a fx prop it can also be downloaded as fbx. so it can alo be 3D printed and used as a prop in any real life models.
BLEND (Blender, filesize: 26.6 MB), OBJ (OBJ, filesize: 29.6 MB), FBX (Autodesk FBX, filesize: 11.8 MB), STL (Stereolithography, filesize: 24.3 MB)