Ender 3 dual extruder upgrade

I upgraded me ender 3 with the TH3D dual extruder board
https://www.th3dstudio.com/product/creality-cr-10-and-cr-10s-dual-extruder-upgrade-board/

I got the 2 into 1 hotend from ebay
https://www.ebay.com/itm/3D-Printer-E3D-V6-Dual-Extrusion-Cyclops-2-into-1-12V-24V-0-4mm-1-75mm-with-Fan/232726487201?hash=item362f9460a1:m:mnsO7MJdse2d2s6bOy5I9CA

so I designed a mount for both extruders
https://www.thingiverse.com/thing:3559787

I also desined a spacer to mount the new hotend to the ende