The attention, feed-forward and transformer-block code in src/shapestudio/engine/tsr/transformer.py
is derived from Hugging Face diffusers (https://github.com/huggingface/diffusers),
Copyright 2023 The HuggingFace Team. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
except in compliance with the License. You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the
License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied. See the License for the specific language governing permissions
and limitations under the License.

Modified 2024 by the Tripo AI and Stability AI Team (MIT, see TripoSR-LICENSE), and trimmed
in 2026 for Shape Studio by Hivemind (Apache-2.0): only the layer-norm / GEGLU / scaled-dot-
product-attention paths used by the published TripoSR checkpoint are kept.
