BIQU H2 Mounting System for TL-D3 Pro

This is a remodelling of Brandon/All3DingsInChrist's mounting system to put BIQU H2 extruders on the Tenlog TL-D3 Pro. 

The biggest reason I made this system was that I could not use Brandon's original design to bed-level Extruder 2, and I set this one up to use the original, which is unlike many Tenlog designs that I have seen. 

I have not tested this for the Hictop D3 Hero, but it may work for that as I copied the same screw locations as the original for many things.

This also includes a fan setup that I will be also publishing independently, as it was not a remix and was an original design that can be used on any BIQU H2. It is meant to take advantage of the additional Part Cool Fan plug that the Tenlog TL-D3 PCB uses, and you can mount two 5015 fans in this fan-duct. It also allows for wider heat-blocks in case you have swapped yours out, as I did. 

If you run into issues, please let me know. I am relatively new to 3D modeling and 3D printing.