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Ender NG 3 v1.2 toolhead base with large reinforcement bar — image 1
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Ender NG 3 v1.2 toolhead base with large reinforcement bar

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Original toolhead base with a large reinforcement bar to prevent warping

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4.75 / 5
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42
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292
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4
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891
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Updated at source:

Model information

License
Creative Commons — Attribution — Noncommercial — Share Alike

This is the same model as the Ender NG v1.2 toolhead base, but with a reinfocement bar added in the middle.

This part is under a lot of stress with the belts.  Combine this with higher tension, high-speed printing, and a heated chamber, and this part will likely bow outward in the middle.  This deformation also makes the belts looser, which means lower quality prints.  In extreme circumstances, the part will crack on the sides of this toolhead, like so:


The reinforcement bar solves all these problems.  Tested to fit with the belt stops, and JST XH connectors fit just fine through the middle.

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