C++/OpenCV image tracking and 3D rendering prototype

I am making a small prototype, and I am looking for someone to use C++ and OpenCV to track a single image (a known image on a piece of paper/cardboard that you can pre-train) using a webcam and then rendering an object on top of the item being tracked. The object on top would be rendered in 3D using the distance of the tracked flat image. The flat image can be selected and trained ahead of time to make it easy to determine its scale and orientation in the live video feed from the camera. Then, the 3D rendering will take advantage of the scale and orientation to do the rendering appropriately over the tracked image. See the attached image that shows the black and white grid image has been found and its scale and orientation determined. Then, the simple 3D cube as been rendered on it in the correct orientation and scale. This is what I am trying to replicate in C++ and OpenCV. I can provide more details and image examples directly if needed.