The following includes a key shot rendered file and 3d model of tyre and axle of a cart done by me as a part of my classroom project. Available as FBX, OBJ, STL, STEP and Sketchup file formats.
MATERIALS: Rubber and steel
DIMENSIONS: 700 x 700 x 592 mm
PURPOSE: Construction cart
STL (Stereolithography, filesize: 4.87 MB), OBJ (OBJ, filesize: 6.03 MB), FBX (Autodesk FBX, filesize: 3.06 MB), STP (STEP, filesize: 3.69 MB), SKP (Sketchup, filesize: 7.99 MB)