Please submit your image of a bent crystal:

Shadows and reflections should be avoided.
The crystal must be bent in 4-point bending conditions.
The image should only contain the crystal of interest and nothing else.

If you find this utility useful please cite:
Hsieh, B., Wu, L.-C. & Grosjean, A. (2024). J. Appl. Cryst. 57
https://doi.org/10.1107/S1600576723008282