Custom hotend carriage for Sapphire Pro

A new carriage to carry a hotend for 2 materials - [XCR3D 2IN1](https://www.aliexpress.com/item/4000144309973.html)

I printed the original [carriage](https://www.thingiverse.com/thing:3941062) two times and broke them both while installing them into a printer. That's why I decided to rebuild it from scratch. My carriage is much stronger and it can be printed without supports.

Don't try to fix the original fun duct just print it. I rotated and mirrored it how it's required for the new carr