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 briefly tackled this in the past, and if there is more interest by others I will give it another go.
Honestly, you should check out the Better Whistle. I recommend the one with a pea. My initial attempt couldn't come close, and their design is VERY good. There are a couple a derivatives which fix the mesh issue. One is called Survival Whistle which you should also check out!