Callus Ball & Cube

Keep your skin send-ready.Callus Ball & Cube are simple 3D printed tools designed for climbers to maintain healthy skin. They help smooth rough calluses, reduce the chance of splits, and improve grip feel on holds.The texture is inspired by real rock – the model was created using a my photo of porous limestone, giving it a natural and effective abrasive surface similar to climbing holds.This design was also inspired by a commercial “stone ball” I tried, which turned out to be too smooth and honestly a waste of money – so I made my own, sharper and more functional version...at least for me :DExtra notes:Compact and easy to carry in your climbing kitUse gently – less is more when it comes to skin careWorks best on slightly softened skin (e.g. after showerIf you’re interested in the raw high-resolution model, I can share it – but be warned, the STL is around 1.6 GB (thanks Blender 😄).Disclaimer:Use at your own risk. This tool is intended for light skin maintenance only. Overuse may damag