PTFE push connector mount with filament label/colour

The design does not go too far from the original design as I think it is already a pretty good one. I created this because I liked the slightly larger size of the 1/4 threads. I did however draw a 1/8 threaded version as well. I also have several spool cases in the same filament colour which made it harder to know which one is which without opening them. This is why I added a label for each typical filament material, which you then can print in the actual filament and glue/tape in place so you w