Solid.addAuxEdge()
Stores an auxiliary polyline on the solid for visualization. Aux edges do not change the authored triangles or boolean result.
Usage
javascript
solid.addAuxEdge('CENTER', [[0, 0, 0], [0, 0, 10]], {
closedLoop: false,
materialKey: 'OVERLAY'
});Use this for centerlines, reference curves, or debug overlays.