wanhao i3 colouriser arm

This is not a standalone item, it is a support for Devin Montes' Sharpie Color Blender
https://www.youtube.com/watch?v=yQwkHDDed0o

This is a mashup of The Wanhao I3 Filament Guide for Top Spool Holder
by grezmel
(https://www.thingiverse.com/thing:979847)

and the mount from Devin's Sharpie Color Blender

https://www.myminifactory.com/object/3d-print-sharpie-color-blender-3d-print-custom-colors-and-gradients-3-and-6-marker-version-138353

The black sharpies give this unexpected purple colour