MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Yes, they are MGN12. I'm sorry, I confuse the size with my Zaribo rails that are 15x15. And yes I have cutted the rails with a radial saw, there are some tolerance with the length. I have to study the flex. By the other hand, on facebook Grégorie Saunier says it is better not to use extrusions.