Filament end holder

This is a end holder I designed and printed to put filament through it to hold it in place for a huge, sealed enclosure I made for my printers and filaments... The project is pretty awesome, check it out... Thingiverse page of the project: http://www.thingiverse.com/thing:748679 Youtube video of the project: https://www.youtube.com/watch?v=9QS96e30AoE