After a lot of maths, we're about to enter the testing phase of the fSpy-inspired camera matching #b3d add-on, tentatively titled Perspective Plotter.
It will work with 1, 2 or 3 perspectives and come with a few other tools too. Here is a brief glimpse of the #blender interface.
We used @Blender and @stuffmatic 's fSpy to create this fly-thru of a #titian from the recent @NationalGallery exhibition. The methodology will be explored in a forthcoming #AR app from the wonderful @PlayLinesAR
https://t.co/g1VeaiKHZq