Prusa i3 Rolling Stand (remix of Universal Spool Roller)

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UPDATE 1/30/2017 - I've uploaded tall files for anyone seeking those options. UPDATE 1/10/2017 - A close call with a DJI Mavic box led to the creation of new i3spoolrollah_L and i3spoolrollah_R designs, raising the stand to allow full Z-axis printing. Initially, I thought these files were too thin, but adjustments can be made in Tinkercad for added thickness. The goal was to create a spool roller compatible with various widths without needing frequent changes. Building upon the excellent Universal Spool Roller design, I added a custom base to fit atop the Prusa i3 crossbar. Printing two of these files, along with modified versions minus the stand, yields an efficient and versatile spool holder accommodating multiple sizes without adjustments. Other relevant files were remixed from the Universal Spool Roller on Thingiverse (http://www.thingiverse.com/thing:629381). For bearings, I used 608zz options but now recommend searching for cheaper alternatives on Amazon, such as "608zz bearings" available at https://smile.amazon.com/Skateboard-Bearings-Double-Shielded-Silver/dp/B002BBGTK6/ref=sr_1_2?ie=UTF8&qid=1476864624&sr=8-2&keywords=608zz+bearings Printer Settings: * Printer: Prusa i3 MKII * Rafts: No * Supports: No * Resolution: 0.2 * Infill: 15%