These are made specially for the customer, so than you can be able to modify it as you wish or even use it with texture. Its LowPoly and it has a realistic composition. It doesn´t include a Caliper.
BLEND (Blender, filesize: 1.21 MB), OBJ (OBJ, filesize: 569 KB), FBX (Autodesk FBX, filesize: 231 KB), STL (Stereolithography, filesize: 447 KB)