@Knick Yes, It’s ideal to take a picture straight on as possible in both axis. But nothing will fully eliminate prespective.
You could reduce field of view by using a zoom lens at a distance. This would help minimize distortion.
But ultimately you cannot take an orthographic picture of reality.
a 3D scanner has the ability to triangulate points in space that’s why ultimately it’s the best tool for this kind of work. I also might be a little biased because today is new 3d scanner day for me, pretty excited about that.
Carl Sagan has a really good video explaining the flatland but here’s the modern video of it
