The file 'Fridge Magnet Plant Pot 3D Printer Model' is (stl) file type, size is 3.5KB.
This print works fine without any supports or raft standing upright.it is designed for the 25mm magnets in this link but could work with others.
http://www.ebay.co.uk/itm/first4magnets-F4MF25-10-25-mm-Diameter-x-7-mm-Thick-x-5-mm-Y30BH-Countersink-Pot-/282076777629?hash=item41ad160c9d:g:ZggAAOSwc1FXa6oJ