pictures
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Old Factorio geometry:
Examples of this asset (format gif makes bad shadows with 50% alpha):





Frame 1-2-3-4: 90 grad rotation
Frame 5 - (5+128-1 = 132): slow rotation 0-360 grad.
or 5 - (5+64-1 = 68): standard settings Factorio
https://wiki.blender.org/index.php/Exte ... r/Spritify - script for blender