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 upscaled the original design to 150% to get a 55mm impeller diameter.
im running a 775 brushed motor from 18v drill (i believe 18000 rpm motor) have to run a 2.5:1 reduction in order for the motor to handle the 55mm.
if the 775 was direct drive print at the designed file size.