I created a script to easily manipulate the symmetry options.
Please use it if you like.
Download here.https://maison-satoya.booth.pm/items/3068139
youtube overview https://youtu.be/u6T5rKqNdAA
NOTE: After opening the new sprite, close and restart this script.
This is because the slider needs to retrieve the sprite’s data.
■Additional functions
Added a button to warp symmetry to the center of the active cell(2021-06-25)
