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.

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Thanks. We'll see how it goes. There is still room to shorten the gap if the filament ends up slipping out. I also have an idea for one of these with a "latch" but need to think further about how to make it fastener free (ie. no screws or bolts).

I also enjoy how the remix feature works here, so that folks can mod as works for them and yet still keep it tied back to the original designer.