Need Help in creating 3d models for G I Joe vehicles and more

I need help in starting to make 3d images of G I Joe vehicles so I can make them fit 6 inch figures, as well as to make them remote controlled. Can someone help me with making these 3d images, so I can print them on a 3d printer, as well as trying to make a 3d animation movie of G I Joe? I would like a step by step instruction, since I am new to blender, and if I can do photogrammetry with my phone, as well as I have 3d cameras, and How I can use them in blender as well.