Support-free printing!
PETG is recomended for better flexibility.
You can also scale the model to 90%-95% when using tougher material such as PLA.
Apply some rotating force while pushing will make the installation much easier~
Please make sure the Desiccant you use is larger than 2mm in diameter.
Two Sizes Compatible with 52-70mm spool hole.
If you use Bamboo Spool, just go for the 50-60mm design.