Attached by sliding onto the aluminum extrusion - the particular brand is Master of Boards.
Holds markers of 3 different sizes and a dry eraser
vB has a deeper cup for the eraser. vA uses less material ~ thus less print time.
The smaller piece holds a spray bottle.
Print standing up with brim. It's quite tall - 220mm
No support needed.
The author hasn't provided the model origin yet.