Issues

• 关于VAE 训练的问题

  stepfun-ai/Step1X-3D#51 · Filter by author gogogogzb opened on Mar 22, 2026

• Question about how the texture module was trained

  stepfun-ai/Step1X-3D#50 · Filter by author inbar-2344 opened on Dec 17, 2025

• Build your own dataset to train "shape_diffusion"

  stepfun-ai/Step1X-3D#49 · Filter by author zwl995 opened on Dec 10, 2025

• [Feature Request] Update dependencies for Blackwell (RTX 50-series / sm_120) GPU Compatibility

  stepfun-ai/Step1X-3D#48 · Filter by author williamsexton opened on Nov 9, 2025

• How to Run Code on Multiple Machines

  stepfun-ai/Step1X-3D#47 · Filter by author LuoMayao opened on Oct 14, 2025

• trimesh failed to load .blend&.fbx&.FBX

  stepfun-ai/Step1X-3D#46 · Filter by author micky-li-hd opened on Sep 1, 2025

• SANS

  stepfun-ai/Step1X-3D#45 · Filter by author davitorialuisaugusto24-cell opened on Aug 20, 2025

• how to modify OpenShape example.py if use openshape-pointbert-vitg14-rgb

  stepfun-ai/Step1X-3D#44 · Filter by author Tan-Junwen opened on Aug 16, 2025

• Could you kindly release the evaluation script to help the community?

  stepfun-ai/Step1X-3D#43 · Filter by author Tan-Junwen opened on Aug 13, 2025

• Floaters in reconstruction results

  stepfun-ai/Step1X-3D#42 · Filter by author mooncloud-max opened on Jul 24, 2025
  2

• The diffusion model fails to converge during LoRA fine-tuning, and the loss keeps oscillating.

  stepfun-ai/Step1X-3D#41 · Filter by author krona12 opened on Jul 18, 2025
  8

• Could you kindly provide evaluation script?

  stepfun-ai/Step1X-3D#40 · Filter by author Tan-Junwen opened on Jul 18, 2025

• Error when running "bash train_diffusion.sh"

  stepfun-ai/Step1X-3D#39 · Filter by author lzt02 opened on Jul 13, 2025

• Clarification of normal direction (SDF direction) and Sharp edge sampling process (mistake?)

  stepfun-ai/Step1X-3D#38 · Filter by author jseobyun opened on Jul 11, 2025
  3

• Inference speed

  stepfun-ai/Step1X-3D#36 · Filter by author wanglaofei opened on Jun 25, 2025
  1

• [Windows Install Error]: ModuleNotFoundError: No module named 'torch'

  stepfun-ai/Step1X-3D#35 · Filter by author MNeMoNiCuZ opened on Jun 19, 2025
  2

• Adding additional projection views

  stepfun-ai/Step1X-3D#34 · Filter by author Cyberdogs7 opened on Jun 17, 2025
  1

• Bug: Multi-resolution sampling doesn't update embedded features after downsampling and Improper Import of fps

  stepfun-ai/Step1X-3D#31 · Filter by author maliozer opened on Jun 15, 2025

• How to load your pretrained DiT weights in HuggingFace for LoRA finetune?

  stepfun-ai/Step1X-3D#30 · Filter by author TechnetiumMan opened on Jun 13, 2025
  1

• Is it possible to generate 3D item (Garment/Shoes/Bag) that supports SMPL?

  stepfun-ai/Step1X-3D#29 · Filter by author wendashi opened on Jun 11, 2025

• load train pt file

  stepfun-ai/Step1X-3D#28 · Filter by author Ansherp opened on Jun 10, 2025
  2

• Texture Sync Bug

  stepfun-ai/Step1X-3D#25 · Filter by author sekkit opened on May 29, 2025
  1

• RAM Needed to run inference.py

  stepfun-ai/Step1X-3D#21 · Filter by author RachitJain-Learner opened on May 27, 2025
  2

• Could I request the already processed 3D assets?

  stepfun-ai/Step1X-3D#20 · Filter by author LuoMayao opened on May 27, 2025
  1

• May I ask how to get the posision and normal map from the generated 3D meshes through your scripts?

  stepfun-ai/Step1X-3D#19 · Filter by author Tan-Junwen opened on May 23, 2025
  2