In this case, [Engineer Bo] was tired of endless and imprecise scrolling with a mouse wheel. No off-the-shelf ... a mini lathe with 3D printed and RC parts to make sanding easy.

When your mouse wheel suddenly starts scrolling in the opposite direction, you might think the issue lies with your hardware.

A mouse with a rubber or plastic wheel. When the wheel is moved on the scroll mouse, the content in the active application window scrolls up or down. Introduced in the mid-1990s, the scroll mouse ...