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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ABS or NGen. Neither degrades in water like PLA but ABS is good for the intake, motor mount, etc. but use a stronger material for the propeller/impeller, stator cone, reverse rudder, anything else under higher stress