As these things keep falling over, I needed a safe place on the wall. I simply glued it to the tile-wall with a tiny bit of super-glue, just make sure it is water-level straight.The source-file (.skp) is made with Sketchup Make (2015)
I usually design things in Sketchup to print stuff on my UM1 or UM2. The designs are always accompanied by their source files for editing and a collada file for printing but if you want a particular format, just ask.