If You Want To Jump Start

1. Use Read Files(RGB) menu to read in images.
2. Move the blue lines to the center of what you want to see, and select the range by the yellow lines.
3. Shift-click inside of the object and option-click outside of the object, and the boundary line appears.
4. Adjust the Mesh Size, and choose 3D Reconstruction.

Come back later if you have questions.