MPR frame thickness and scroll angle on CT/CBCT scans?

These things may be too basic but we really appreciate if you can help on this. What is the easiest way to change the frame/slicer thickness and scroll angle on CT/CBCT images?

Change slice angle on all three planes

https://s3.us-west-2.amazonaws.com/secure.notion-static.com/9ad9ce34-2287-491b-b346-f36eef5fb5b2/Filmage_2023-03-04_095547-filmage.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIAT73L2G45EIPT3X45%2F20230322%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20230322T180316Z&X-Amz-Expires=86400&X-Amz-Signature=a7579733d13a76bf49b43619eb239566cd87bdf9984bead74e4a8940c8811ae9&X-Amz-SignedHeaders=host&response-content-disposition=filename%3D"Filmage%25202023-03-04_095547-filmage.mp4"&x-id=GetObject

Changing slice thickness like this:

https://s3.us-west-2.amazonaws.com/secure.notion-static.com/be3b648e-d032-4918-a913-eec76dc171f6/Filmage_2023-01-30_224059.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIAT73L2G45EIPT3X45%2F20230322%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20230322T212125Z&X-Amz-Expires=86400&X-Amz-Signature=e5770df8e20c3d3e881d9adac702d4db9a3a473ee65d2ff93f04f1bfcad9e834&X-Amz-SignedHeaders=host&response-content-disposition=filename%3D"Filmage%25202023-01-30_224059.mp4"&x-id=GetObject

Thank you for your help in advance!