Spring driven-magnetic mount dispenser for bookmarks / "Page Tracker" ( http://www.thingiverse.com/thing:113991 )

I have recently printed a bunch of excellent bookmarks / Page Trackers ( http://www.thingiverse.com/thing:113991) by the user Alejoo ( http://www.thingiverse.com/Alejoo ). I soon noticed though that they might get lost around the house so I have decided to make a spring driven dispenser with a magnetic mount.

As a magnet I have used a small 8mm diameter and 1,5mm height neodymium magnet which can be bought on eBay here:

http://www.ebay.com/itm/5-x-NEODYMIUM-DISC-MAGNET-ROUND-8MM-x-1-5MM-N5