Top Mounting Rolling Spool Holder for Maker Select

This is really a remix / mashup of two fine designs. I wanted the friction-less roller that was top mounting for my Maker Select Printers. There is a really nice snap on filament guide designed by AndyShen that I used to join to the bottom of the Rolling Spool Holder (remix by JustinLimonges).

This is the result and I am very happy. Simply snap in the 4 standard Skateboard Bearings (nice fit) then snap it to the top of your Mono Price Maker Select (or Wanhao Duplicator). Snap on the bac