it really depends what software you'll be using ..
3dsmax, maya, houdini, blender, c4d ...
they all share the same concepts, but the workflow is different.
I'd start to learn one.
And start practicing with photogrammetry using RealityCapture, PhotoScan or any other app.
Export as .obj and load up the file into madmapper.
We're working on a 3d calibration guide at the moment.