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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Just printed the tray version 2 with no supports and it came out perfect! I used S3D and made the base with 20% infill and then changed the banisters to 50% infill, but that may not have even been necessary.