Jan van den Hemel writes: A very simple solution to N-gons and triangles in your subdivision modeling workflow, is Subdividing in combination with creasing to protect your shape. It automatically turns everything to quads. Since it also introduces more geometry, it’s best used early in the process.
from BlenderNation https://www.blendernation.com/2022/04/29/turn-n-gons-and-triangles-into-quads/
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