Single Image to Gaussian Splats: A Full 12GB VRAM Workflow With Qwen, Minimax and Brush
akatash23 · reddit · 2026-09-24
A detailed Reddit tutorial walks through turning a single image into Gaussian splats on a 12GB VRAM card: edit the background with Qwen Image 2.1 if the subject is near a wall, generate an orbit video with Minimax's FL2VA first-last-frame workflow in ComfyUI (768×1024, 20 steps, 35 min; a 8-step lightning LoRA is faster but degrades quality), avoid video upscaling since SeedVR 2.5 is too slow, use a frozen-subject 360° orbit prompt, extract frames with ffmpeg and delete duplicated arc frames, reconstruct camera poses with COLMAP (SIMPLEPINHOLE, exhaustive matching), then train splats with Brush in Rust. Expect background bleeding and artifacts — retry with new seeds.
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