Shelf for Plateau High heels.
Print one left and one right side, and connect them with two tubes or rods, as you can see on the images.
The Holes for the tubes are 20mm in diameter, the length of the tubes can be adjusted to your needs.
shelf_11_xxx fits for 13cm Plateau high heels
shelf_13_xxx fits for 15cm plateau high heels
I added some photos with measurements, too.