e10 & e12 carriage for big wheels

My remix of Nystao's great hotend carraige. I optimized the airflow (behind the hotend cooler), added nut holes for schroud mounting and hotendmounting (on the backside) and added (optional) a nut for my shroud (50mm radial part cooler) for tighter mounting.
Its for the big wheels of the CR-10, with 23.89mm outer diameter.

I also took the carraige wheel spacers of MajoSc (https://www.thingiverse.com/thing:2763464) and changed the dimensions for the big wheels (optional with additional washer