Contains C, D, and B standard scales.

I recommend using a brim when printing, as I got a little bit of warping without it.

Before assembly, I did very light wet sanding of the main cylinder and the insides of the small rings with 1200 grit sandpaper. I then rubbed the innner cylinder surfaces with paraffin for a smooth-turning slide rule.

Creality

Ender 3

No

No

0.12

20%