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.
i am also working on a tool changer in the e3d design. I also will use the kinematic coupling to align the print heads. I found a very cheap, compact and highly precision way to realize the coupling with standard parts.
I already have design the "T-Bar-Spring" mechanism with 3D printed parts. Next is to design the gears for the servo integration.
So if you want to share infos let me know. I will public my design as soon i have it ready.