Building 3D pyramid draw out of 1 triangle data

I need a software or math formula to give me location of C and D once I give the location of (A,B and T) on (X / Y) scale. here is video description [login to view URL] [login to view URL] *please have look on the video before you dare to hit on bid, I have lost a lot of time with people who even didnt understand any thing of what I said. *THE 3D drawing should be a in PERSPECTIVE view mode else dont wast your time. *RESPECT THE TIME OF THE delivery ELSE I DONT NEED YOUR HELP *Milestone not more than 50$ *don't back to me with question cause I already explained every thing that I need good luck G