Smart Extruder Flexible Printing Modification

Print Flexible Material with Smart Extruder 12.2.1

USING SMART EXTRUDER+?
https://www.thingiverse.com/thing:2375269

Opening inside your extruder will void its guarantee, and I am not responsible for that.

If you print it by using Desktop 3.8 or higher, it won't work properly. The fix is tested, going to come soon...