We welcome all types of contributions! If you found a bug or have a proposal for a new 3D Tiles sample using the Mesh Export API, please create an issue and/or pull request.
For questions about using the Mesh Export API or discussions and feedback about these samples, please create a post on the iTwin Github discussions page. If your question is about other libraries used in the samples, please go through their channels such as the Cesium community forum or three.js community resources.
A Contribution License Agreement with Bentley must be signed before your contributions will be accepted. Upon opening a pull request, you will be prompted to use cla-assistant for a one-time acceptance applicable for all Bentley projects. You can read more about Contributor License Agreements on Wikipedia.