Background removal and batch image generation across two Mac Studios Background removal and batch image generation across two Mac Studios

Beyond cover art: background removal, batch resources, and two GPUs of throwaway pixels

TL;DR Cover art was the gateway drug. The same local ComfyUI install that generates this blog’s headers also strips the cluttered background off a photo of hardware on my bench, upscales a small generation to retina resolution, and batch-produces a consistent set of illustrations from a prompt template. Two Mac Studios mean I can fire a batch at one box and keep working on the other. It’s all driven from scripts and agents, and it all costs $0 per image because it never leaves the house. ...

June 21, 2026 · 7 min · zolty

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