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 did the original models in autocad, but also included step files. You would need a 3D modeling program, like autocad, or one of the freebies, like FreeCad, that can import a step file. You'd then need to manipulate the model, to increase the distance between the clips. It would mean learning a 3D cad program, which in itself can be a real core, if you haven't used one before.
What's the exact height of that can? And is it the same diameter as a "normal" 12 oz can?