i Like simple designs that are easy to use
This Roller is very easy to handle
Just put on your filament spool, no matter which diameter it has

(Max width 98mm)

BOM:

4x M3x12
4x M3x16
8x Heatinsert M3 (D5.4xL4.0)
4x 608bearing
printed parts:

1x ChaosRoller Base
4x ChaosRoller Core
2x ChaosRoller Roller
2x ChaosRoller Side

Assembly:

Melt in the heatinserts 4x into ChaosRoller Core, 4x into the ChaosRoller Base
put on the bearings to the core
mount the core to the sides with M3x16
put on the roller onto the bearings
mount the assembly to the base with M3x12