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 know what you mean. This is a demo model for 3D printer, I will improve it later, I have got the formula before, and i will re-caculate the lengtht later. but its sounds better than the Akemake_spirula spearker after my test.