02.01 Install fSpy
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fSpy is an open source camera matching program made by Stuffmatic . It can be downloaded from the fSpy website . After loading an image with obvious perspective lines into fSpy, the x and y axis can be lined up with objects in the photo to calculate the original placement of the camera and the field of view. This information can be saved and imported into 3D modeling programs such as Blender or Maya for 3D scene visualization, rendering, and compositing.
