Since I couldn't find any tutorial about ML Deformers in Maya 2025, I decided to make my own. I don't really know what I'm doing, so feel free to roast me in the comments. This channels is not monetized, so if you want to share the video or not, doesn't really matter.
TIMESTAMPS
00:00 - Intro
02:43 - Metahuman Rig is a good choice
04:16 - My simplified character model
05:26 - My goal with ML Deformer
06:47 - Maya 2023 vs 2025 Metahuman Metahuman compatibility
07:47 - Setup to generate random poses for ML training
11:38 - Add the joints rotation limits for the pose generator
18:30 - Full list of joints rotation limits
20:39 - Generate 10000 random poses
22:38 - Export the poses to Maya 2023 to use with Metahuman rig
26:37 - Import my character and transfer the skin from Metahuman
30:08 - Export Alembic cache from Maya 2023 to use in 2025
31:43 - Import Alembic cache and my character simple joints
34:14 - Setting up ML Deformer
35:22 - Training Data settings
36:20 - Training parameters
39:40 - Joint Matrix setup
44:39 - Start the training
46:46 - Training results window
48:02 - Testing the trained model
49:37 - Duplicating the character and comparison
54:05 - Final thoughts
54:40 - Outro