Adapter for flexible Filament Prusa MK3

I've had some issues printing flexible filaments on my Prusa MK3. The filament started to curl around the bondtech or it came out the side hole. The reason for that is that the pathway which the filament travels through into the melt zone leaves too much room for the flexible filament and doesn't prevent it from kinking or coiling inside.

Therefore I designed an adapter which reduces the unnecessary space between the bondtech and the hole to the hotend. I've printed it with normal PLA which c