choose an image, than press space to scan it. I recommend using TurboWrap: https://turbowarp.org/683886362 After the image is scanned, drag its edges around to scale it, 2 of the 4 corners to rotate it, or press space to fix scaling and snap rotation.
credit to @griffpatch didn't expect to get any more than like 5 views tbh 22/07/2023 revamped the editing UI 4/05/2022 added video option 26/05/2022 233 views? wow. also, now quality is lower while editing to reduce lag!