Just drag-n-drop [Jacek]’s magellan.uf2 firmware and you’re done. If you’d rather build your own, modern 3D mouse, check out the DIY Cad Mouse You Can Actually Build.

3D mice with six degrees of freedom (6DOF) motion are highly valued by professional CAD users. However ... [Colton Baldridge] has created the OS3M Mouse — an open source alternative using ...