Shelf Mount for Hex Drawer

I state that I am not an expert.
But since this drawer I like a lot I wanted to find a way to mount it on the shelf, so I modified the wall support by making it for the shelves. I did not change the original measures, so if you have printed the drawer as the author says at 102%, you have to do the same with this support. At the end of the print I had to sandpaper a little to solve some printing problems.