The file 'Showerhead Holder 3D Printer Model' is (scad,stl) file type, size is 5.7KB.
The holes on both sides are for additional parts. For example a holder for a shaver or something.
Additional parts will be uploaded here:
http://www.thingiverse.com/thing:127419
duschkopfhalterv2.scad | 1.1KB | |
duschkopfhalterV2_repariert.stl | 17.3KB |