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.
The Thingiverse Customizer is currently not working 100%. Thingiverse is busy working on the problem.
In the mean time, you can open and edit the .SCAD file directly in OpenSCAD.