Sample spool, remixed for the Malyan 180 and similar clones

Based off Wodllod's spool, this has been remixed to work better with the Malyan 180 (and other clones of similar design.) This version doesn't require a bearing, and instead can be put snug against the spool bracers that came with the m180. The arms were also made smaller and more narrow, as I had a bit of trouble with Wodllod's version where the arms would get caught on the bars that the spool pins are attached to, and because I had some more tightly wound filament samples than would fit h