This clip holds multiple Pilot V-Board Master whiteboard markers and has a slot to attach to a separator inside your bag, this ensures the markers stay horizontal as is recommended by the manual.
There is a slight taper in the holes to match that of the markers, the little tip icon on the front indicates the direction the markers should be inserted.
Printed mine using transparent PETG with gyroid infill to get a durable print with an aesthetically pleasing look.
There is a 5 pen and a 6 pen version available for download.
The author marked this model as their own original creation.