Poly Extrude Direction/Normals problem/bug ?

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Hello, i'm doing small projects, and stumbled upon weird behavior in Poly Extrude SOP.

In picture below, i have grid, rotated grid #1, i'm fusing points “Consolidate”, setting normals in Wrangle “@N = {0,-1,0}” #2,
and PolyExstrude SOP #3 does not give a damn about normals direction, and fuse SOP, and extrudes everything with those two grids settings from far above, do you guys know why is it happening ?

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the primitive normal is based on the winding of the polygons, not any attribute. You probably have backwards polygons. The reverse tool can reverse the winding of polygons.
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Thank you, that helped
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