This ia an easy adapter for use flex filamen with the original K8200/3Drag extruder. For install, you must only dismount (and re-mount) the M8 bolt, one of the squrews of the filament guide, the spring and you must exchange the filament guide. I had modificated the filament guide, so it is easyer for me to mount/dismount the guide with insert filamen. with the Adapter i must not exchange the original extruder-base I had uploadet 2 version of the adapter 1x with support and 1x with brim support