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 found a weakness in original design.
Beefed up the pulley axle to prevent breakage.
You will need a pair of 3mm screws 10 or 15 mm long to attach the base to the arms.
Another 3 mm screw a bit longer and a nut to put tension on the belt.
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