I had the problem that i didnt want to make holes in my wall to put some fillament rolls, and the Vertical way was my solution. Rotatin ring by: http://www.thingiverse.com/thing:653011 Modifications and original idea about make this rolls grow up by: me :) -- ATENTION DOWNLOADERS -- There is a problem with the Bases.stl , will be fixed soon. sorry for inconveniences :( https://www.youtube.com/watch?v=8ah738vqOd4still a work in progress, but i supose we will need print with suports.