I have created a 3D model for a hook to hang gear from the many holes across the rear pillar and tailgate. I have been using a few bungy cords to stretch between holes to hang towels and wetsuits, but I wanted some normal hooks for hanging up smaller items.
The 3D model is available here - Expanding Hole Hook - VW T6 by BrendanShanahan
The 3D model is available here - Expanding Hole Hook - VW T6 by BrendanShanahan