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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The dimensions are the same for all the E3D heatsinks ( v5, v6, Lite, Pro, bowden, direct) originals. Maybe the problem is the shrinking factor of the material used. I prefer to use PETG, the shrinking is negligible. With ABS you have to scale (enlarge) a bit. I'm far from home for Christmas holiday when I'back home I'send you the source file if you mail me: franci.gianni61@libero.it.