Standard issue utility knife.
Zip-file includes .blend, obj, mlt, fbx and stl for both high and low poly
BLEND (Blender, filesize: 128 MB), BLEND (Blender, filesize: 128 MB), OBJ (OBJ, filesize: 128 MB), FBX (Autodesk FBX, filesize: 129 MB), PNG (PNG, filesize: 64 MB), STL (Stereolithography, filesize: 128 MB)