Split Mulbot Rail Parts.

Mulbot - [The Mostly Printed 3D Printer] is a great project.
[The Mostly Printed 3D Printer]: https://www.thingiverse.com/thing:3432384

I made this remix. And I really printed a lot of things with Mulbot printer.

But prints XY's rail become broken, I need to replace them, therefore I just do a little change for easier replacement.


Socket Head Cap Screw
M4x0.7 x 20MM LG.

Thread Inserts
[M4 Tread Inserts]
[M4 Tread Inserts]:https://aax-us-east.amazon-adsystem.com/x/c/QnGVC_RlmngimDuwW9L9EAwAAAFqexrHVwEAAAFKATbAnuA/https://assoc-redirect.amazon.com/g/r/https://www.amazon.com/initeq-M4-0-7-Threaded-Inserts-Printing/dp/B075S1HD5J/ref=as_li_ss_tl?srs=17348388011&ie=UTF8&qid=1550799927&sr=8-7&linkCode=sl1&tag=3dprintingwor-20&linkId=c3ca7e3112004029eb0253a6e7fac5b3&language=en_US?linkCode=w61&imprToken=jYnpQbkiCLBT1aj4NLmKlA&slotNum=6