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Model library: Fixed error in uploading big models
- Abaqus: support beam general section
- Abaqus: fix reading nodes with instance
- Abaqus: fix getting section id from DYNA model
- Support STL in binary format
- Support adding label
- Support creating 3D snapshot. It could be accessed from an URL (with password protection and expiration date as needed), which could be shared with and opened by others using any device with web browser.