Uploaded May 2025 | Updated September 2026, 3 weeks ago

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In this Unreal Engine 5 modding tutorial, I’ll walk you through how to add custom breast physics (jiggle physics) to a modded character in Clair Obscur: Expedition 33.
Whether you're editing cloth physics, fixing jiggle movement, or creating your own mod from scratch, this guide will help.
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🔧 Tools used: ↓↓↓↓↓

✅FModel: https://fmodel.app/
✅Mapping File: drive.google.com/file/d/1q7OUlMJQkvhSlfAo29Nt5rchveR5lNnB/view?usp=sharing
✅Blender: blender.org
✅Plugin PSK/PSA: extensions.blender.org/add-ons/io-scene-psk-psa
✅Epic Games Launcher: store.epicgames.com/en-US/download
✅Photoshop: adobe.com/products/photoshop.html

📌 This tutorial builds on Part 1 (Mesh Replacement). If you haven’t seen it yet, check it here: youtu.be/DBlKWpllIak

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00:00 - Unreal Engine 5 Physics Modding Guide
01:48 - Create Animation Blueprint
07:58 - Add Custom Physics to breast Using Spring Controller
16:55 - Enjoy!
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💬 Questions or feedback? Drop a comment below — I try to reply to everyone.
If the video helped, consider leaving a like, sharing it, or supporting the channel 💖

🎮 Download the finished mod + more at:
My Mod: nexusmods.com/clairobscurexpedition33/mods/228
Others: nexusmods.com/clairobscurexpedition33/mods/128

Thanks for watching — and happy modding!

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