Hi, I’m venturing back into familiar-ish territory with using latheBufferGeometry. I’ve got a rectangle (loaded from an svg) as the source object (shape) for a lathe geometry operation. My results are as such: top images are top view, bottom images, underside. [lathe_seam_and_faces_issue] dif…

I see several compounding issues here: For a closed rectangular path, you need five vertices, not four. The last vertex needs to replicate the first, to get the appearance of a closed shape. It looks like you are using only four vertices, so the top “lid” is missing and you’re looking “inside” the…

latheBufferGeometry face normals, seam issues

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prisoner849 November 25, 2021, 2:36pm 5

There is no such a seam in this solution: Clipping Planes Problem - Radial reveal only half way - #16 by prisoner849
It’s done with shaders, but doable on js side.

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latheBufferGeometry face normals, seam issues

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