Office chair wheel with 50mm diameter. For use with 60mm width and 6mm diameter shaft. I need replace 1 wheel in my chair and I will try it. Not printed yet, I have no idea if it will hold my weight. You can help me to do more things like this. Buy my designs at pinshape:http://pinshape.com/users/27920-jsirgado The OpenSCAD file is there, you can change all.I recommend: If you print it, please let me know. Thank´s.