Filament Spool for Samples
thingiverse
They say that necessity is the mother of invention. I receive samples of filament all the time but had no reliable way to feed them through my machine. I hope this helps you as much as it helped me. The two pieces should fit together quite nicely, but for a permanent fit toss in a little superglue.
Download Model from thingiverse
With this file you will be able to print Filament Spool for Samples with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Filament Spool for Samples.