Summary

Mount dragon hotend on Sapphire Plus(maybe pro too) with a single print and all stock hardware. Looked around at the other options and they all required several prints and extra hardware that seemed unnecessary. The only modification I made was shortening the top screws on the part fans as they touch wiring and this block adapter. Could easily be modded to avoid the screws but it's better to shorten them IMO.

Assembly should be strait forward, use the original m2.5 x 8 screws that come with your dragon and stock bowden coupler. Just be careful tightening the fan screws as the print will split easily since the screws are going with the layers grain.

Edit: Added photo ready to install. I had to compress the crap out of image, hopefully its good enough.