Modular x cyclops

This is V2 of my first try, https://www.thingiverse.com/thing:2766507. I didn't like the print quality of the first one.
I looked and found a few designs but I really liked the carriage system of Nuggit. https://www.thingiverse.com/thing:2519798. The only problem was his design didn't include anything for the cyclops. I did find a modular end for the cyclops with the design of 3dflat, https://www.thingiverse.com/thing:2187359. The only issue with this design is it couldn't incorporate the sto