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.
Based on A.R. design at http://www.thingiverse.com/thing:415761 but completely redrawn from scratch. This bobbin is designed to be printed as one piece horizontally. This is due to weaknesses inherent to printing cylinders vertically. For me, the other one stretched and broke the spool while winding. Since this is printed horizontally instead of vertically, the weakness on the spool is no longer present. This spool is also 2mm shorter than A.R.'s design to allow for stretching so that it still fits in the core. I have included a file with supports.
If you're really loading it completely, I would recommend a carbon fiber filament.
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
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and the Apple App Store.