spool adapter for thin spool

Thanks CAD_dude for his great design,

This is a simple remixed from Chinese website https://www.bilibili.com/video/BV1nS4y1d7Cw?from=search&seid=9583744878491983777&spm_id_from=333.337.0.0

Just for my 0.5 kg spool.
Spool hole should be small than 60mm (depth) x 69mm (diameter)
Be careful of sharp edges when turning the both side holder.

There are also other good spool insert in thingivers, https://www.thingiverse.com/thing:735213/comments
https://www.thingiverse.com/thing:4994736
https://www.thingiverse.com/thing:5023891
but I didn’t try.