Tronxy X5S Lightweight Direct Extruder Mount (E3D Titan/E3D Volcano)

I was very unhappy with printing with a Bowden setup. I found some Direct Extruder Things here, but i wasn't happy with that because of weight.
So i decided to build a Direct Extruder for my X5S. I want to use this Carriage (https://www.thingiverse.com/thing:2780420) for stability and i want the Extruder as light as possible and so i created this. This Mount is vor a small body Extrudermotor with a Titan (Clone), a E3D Volcano (Clone) and i use a Mini height sensor IR board (https://miscsoluti