This is remix of https://www.thingiverse.com/thing:5331009/files,
(that is remix of https://www.thingiverse.com/thing:2987304)
Added couple of extra bearings so that i can use it with any spool.
I printed this end cups, without them this is falling apart. https://www.thingiverse.com/thing:5190343.
Monero address: 83d3kbWybpUayehL3jX4YXT4gu3zxWyAKPtgKvQR996pbYRnshBGkhqdMMtvF
c4ETEjjQKwk9b5jTD6cJkRrcbfeEVieTRv
Bitcoin address: bc1q86zq72lamuc7shky26j4yyj3ml5wde088fd766
The author remixed this model. Imported from Thingiverse.