Developer Shares Working Method for H3 Image LoRA Training
Pyros-SD-Models · reddit · 2026-08-06
A community developer shared a working approach and repository for training H3 image LoRAs, solving the issue where previous frameworks forced users to download a massive 66GB bf16 model.
Key Improvements & Tips:
- Supports image-based LoRA training and allows sampling images/videos during the process.
- Borrows shift logic from Krea2, trains only blocks without temporal info, and uses Wan's maxtimestep cutoff to protect H3 temporal guidance.
- Recommends using res2s + 10steps instead of resmultistep + 20steps, and keeping SR as low as possible (0.5-0.8).
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