Modular X carriage for TEVO Tarantula(remix) (W/drag chain)

more stable ver
tavel more then 210mm
compatible with:
https://www.thingiverse.com/thing:2252450
https://www.thingiverse.com/thing:1829292
https://www.thingiverse.com/thing:2071585
https://www.thingiverse.com/thing:2343109
https://www.thingiverse.com/thing:2388580
add back plate with drag chain
Drag_chain_connector is here:
https://www.thingiverse.com/thing:2246218/#files
add new plate with part cooling fan holder