Turning a static Art Nouveau poster into animation: first/last frame workflow walkthrough
dipSlope · reddit · 2026-09-16
A detailed workflow for animating an Art Nouveau poster: generate the "last" frame via GPT image-to-image, upscale the original so frames match (771px vs 772px), pad to meet H3's 2:5 minimum aspect ratio, align borders in Photoshop with Overlay/Difference blending, then render with H3's first/last-frame-to-video. Key lesson: both frames need identical pixel dimensions, not just aspect ratio.
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