Multiboard 18 Intermediate Paint Holder

This paint holder goes inbetween two of these:https://makerworld.com/de/models/1071561-multiboard-26-paint-holder-multipoint-mount I recreated this model by myselfe with the model above as a template, because BDPStudioDesigns did not answered.There is no slot for a multipoint, because it holds very well in between two holder. Maybe i add it laterDue to the overlap of the walls of the slots in the original model, there is a double wall between these models. See in the image.