Small Spool Holder

Need a Spool Holder under 100mm? I did for my Printrbot Simple.

You'll need:

* __2__ - Printed Spool Feet
* __4__ - 1 1/2" nylon door rollers with 1/4" bore available from most hardware stores for a few bucks.
* __4__ - 1.5" long 1/4" bolts

Here's a link to the kind of nylon door rollers you'll need: [allaboutdoors.com](http://www.allaboutdoors.com/product_info.php?products_id=13293)