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   Weld Vertices (node)

Merge coincident vertices within a contour and drop the zero-length edges they leave.

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Inputs

• Geometry (any): the geometry to clean.
• Tolerance (number, editable: default 0.02) - how close two vertices must be, in millimeters, to be merged into one.

Outputs

• Geometry (any): the same geometry with each contour's coincident vertices merged and the zero-length edges between them removed.

What Weld Vertices is for

This is the targeted fix for a contour carrying duplicate points stacked on top of each other - the defect that makes Fillet, Chamfer, or a boolean fail at a corner. It walks each contour, merges any two vertices closer together than Tolerance, and drops the zero-length edges that merge leaves behind.

It's the vertex-merge pass on its own. For a broader clean-up - spikes, slivers, and sub-minimum-area contours as well - reach for Cleanup, which folds this in as one of its passes. Use Vertices first if you want to see the duplicates before welding them.

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Related

• Cleanup: the full artifact sweep; Weld Vertices is its vertex-merge pass alone
• Dedupe: remove whole duplicate shapes, not duplicate vertices
• Fillet: the operation that most often needs a weld first
• Vertices: inspect a contour for the duplicates to weld