BIQU H2 V2S Lite Mount, Duct, BL Touch, Fil Runout for CR10 V2 V3

Modified the original backing plate by FHOGPHIL to include mounting for the OEM filament runout sensor from a CR10 V2 or V3. 

Modified the BTT supplied fan duct to work in conjunction with a new BL Touch mount and also allow access to the feed wheel blocked by the original design. 

Utilizes 624 ZZ U Groove bearings (optional) as filament guides to meet the runout sensor. It is recommended to disable filament unload in Marlin to prevent unloading into the sensor. 

Modified Marlin for CR10 V2 w/SKR 3 v3, H2 V2S Lite Hotend, TFT35 E3 v3, BL Touch:
https://github.com/dmarafino/Marlin2.1.2Hotfix-CR10-SKR3

S3DP Fan Breakout Board:
https://syracuse3dprinting.com/product/s3dp-fcm-fan-control-module/

Probe Offsets:
#define NOZZLE_TO_PROBE_OFFSET { 40.70, -24.86, -2.6 }

Fan duct remixed from:
https://github.com/bigtreetech/H2-Series/tree/master/H2%20V2s%20Lite

Backing plate remixed from:
https://www.printables.com/model/223469-biqu-h2-system-for-cr-10-v2-or-v3 
 

It is highly recommended to print these mounts in a high grade material like PETG, ASA, PC, or ABS

Required for installation: 

• Assortment of M3 & M4 hardware
• 4020 40mm Blower Fan (24v)
• 624 ZZ U Groove bearings (optional)
• Biqu H2 V2S Lite High Flow Direct Drive Hotend
• BLTouch (Optional)
• Extended wiring for Filament runout sensor Option 1 or Option 2