Keychain motorcycle helmet Trinket 3D print model 3D model is available on CGTrader for $10. Original author: oskigold.
STL (Stereolithography, filesize: 22.8 MB), OBJ (OBJ, filesize: 48.4 MB), FBX (Autodesk FBX, filesize: 7.23 MB), 3DS (3D Studio, filesize: 9.37 MB), 3DM (Rhinoceros 3D, filesize: 41.9 MB)