Customizable Sample Spool

ChangeLog:
2-5-2020:
V5 I have made the tolerences tighter to where the parts hold more firmly together and even give and audible click.

7-26-19:
V3 - I decided to make a version 3 and get rid of the threads. They were causing more issues that what they solved. Now you get a base v3 and lid v3. You insert the lid into the base and give it a small twist and you should get a small click at the end and they are closed.
I have also made 10mm and 20mm spacers for those bigger samples of if you are respooling an almost empty 1kg spool. (thanks Madmonkey for the idea)

7-24-19:
Made v2 of the spacers as there was a flat area hanging in the air that would cause the need for supports.

7-23-19:
I have increased the tolerance in the spool starter hole so the filament is not held down as much. I have also added 2 new spacers a 10mm and a 20mm. This way if you have bigger samples it will still work and you can still use the ones you have already printed.
I also renamed the parts to