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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I am having troubles with the assembly. The button and the spring. The spring is like right at the seam between both parts of the black rim. So hard to get the 2 pieces to come together without the spring coming out first. My solution was to cut up a credit card and slide it inside. Seems to work that way. Anyone know of anything stronger than a piece of filament? Do they make 1.75mm rods somewhere?