Mounting Video:
Update: On request, here ist the foldable Version: https://www.prusaprinters.org/de/prints/61814-wall-mounted-foldable-modular-hexagon-shelf-print-
There are 3 parts:
1) Template.stl => use this to align the screws, screw them in the wall so that the template can be removed with a slight bit of resistance
2) Hexagon.stl: The wall sided hexagon
3) Ledge.stl => slide it in the recess of hexagon.stl before mounting to the wall
(Honeycomb pattern on the surface: Ledge_Honeycomb.stl)
(A small Groove around the ledge: Ledge_Groove.stl)
2 Screws are required (M3-M4, flat head)
Printed with 3 Perimeters
The author hasn't provided the model origin yet.