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.
Teach a man to fish they say... Go here: http://www.wings3d.com/. Download and install. Then do one of the following:
Scale just the hinge portion UP in wings, then scale DOWN in makerware (110% and 90% respectively) OR
select everything but the hinge in wings and scale down by 90%