Robo 3D Top Mount Spool Holder Sleeve

I designed this Sleeve to work with this thing: http://www.thingiverse.com/thing:267039

I absolutely love the design of that Spool Holder because the filament runs directly into the slot on the top of my Robo R1 +PLUS.

I printed the Spool Holder and it worked great for the small initial Spool that you get with the Robo. But when I went to put a full size Spool on it sat crooked, which created friction by rubbing on one side. So I whipped up this adapter and now my Spools sit level.

I a