A bit of a concept engine for another model of mine. Though you guys may like it. Its not finished just yet, but close. The inner cores lift up, and can be removed. There are brackets on the top of the unit to be used by heavy lifting gear to remove the core completely
STL (Stereolithography, filesize: 5.7 MB), OBJ (OBJ, filesize: 4.27 MB), 3DS (3D Studio, filesize: 400 KB), FBX (Autodesk FBX, filesize: 6.08 MB), IGE (IGES, filesize: 299 Bytes), MAX (Autodesk 3ds Max, filesize: 881 KB), SKP (Sketchup, filesize: 1.33 MB), OTHER (Other, filesize: 372 KB)