---
title: "OpenUSD"
description: "2 posts about OpenUSD, summarised, each linking to the original."
---

# OpenUSD
> 2 posts about OpenUSD, summarised, each linking to the original.

## Articles

### [5 Steps to Create SimReady Assets for Robotics with Frontier AI Models](https://yomu.fyi/post/5-steps-to-create-simready-assets-for-robotics-with-frontier-ai-models.md)
- Company: [NVIDIA](https://yomu.fyi/company/nvidia-developer-blog.md)
- Author: Elizabeth Goodman
- Published: Oct 8, 2026
- Type: Tutorial

The post presents a five-step workflow for converting CAD assets into SimReady assets for robotics simulation using NVIDIA Omniverse tools and frontier AI models such as GPT-6 Astra. The workflow begins with importing STEP files into OpenUSD and matching visual appearance using reference images and videos from ABB Robotics. Physics properties including joints, collision geometry, mass, and friction are then configured, with the AI model interpreting manufacturer datasheets and URDF descriptions to set correct axes and limits. SimReady Foundation validation checks are run to ensure the asset meets simulation requirements, flagging issues for correction. A final pick-and-place task in NVIDIA Isaac Sim demonstrates successful simulation of the ABB YuMi robot, with both arms and grippers completing four cycles using cubes and a Sharpie marker.


### [How to Use AI Agents to Prepare 3D Scenes for Simulation](https://yomu.fyi/post/how-to-use-ai-agents-to-prepare-3d-scenes-for-simulation.md)
- Company: [NVIDIA](https://yomu.fyi/company/nvidia-developer-blog.md)
- Author: Tanya Lenz
- Published: Sep 16, 2026
- Type: Tutorial

Preparing a Blender scene for robotics simulation requires more than exporting attractive assets: the world needs semantic labels, simulation-aware materials, sensors, collision geometry, physics properties, and validation against a target profile. The described workflow uses Codex or Claude as an orchestration agent, NemoClaw to coordinate specialized Hermes subagents, and NVIDIA Omniverse Libraries to inspect, modify, render, and validate the scene. Blender MCP supplies a structured inventory, while OpenUSD becomes the shared scene contract; ovphysx handles physics authoring and checks, and ovrtx produces visual preflight views. Safe mechanical repairs can be automated, but ambiguous choices such as semantic labels or physical behavior are escalated to a human, with follow-up checks run after approved changes. The intended handoff is a simulation-ready USD world for NVIDIA Isaac Sim or NVIDIA Isaac Lab.
