commit 1ab61992772110cb797fd271a374f9056eb0b237
Author: Lukas K. <lu@0x83.eu>
Date:   Wed Nov 4 21:55:05 2026 +0100

    Canvas3D: try other normal if one is NaN
    
    changelog: Bugfixes/Board Editor: 3D preview: fix holes in round board
    edges
    
    closes #871
