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.
used uniform scaling? with some softwares you can opt between x,y,z, or uniform scaling.
If ure software keeps acting up, download stl, open in meshmixer(free) , go to analasys-measurements.
pick the x, y or z dimention you want to rescale, fill in the value you need, and enter. it should scale uniform. then export stl.
hope this helps.