portfolia/models/ next to index.html. Put maple_tree.glb (GLB 779kB best). Run python3 -m http.server 8000. Open http://0.0.0.0:8000 โ World Painter โ right panel MY MODELS โ click maple_tree.glb โ it will sit on base ground (fixed bottom alignment). Use Small/Normal/Big/Huge to resize.