Gather materials on plastic sheet in work area.
First step is to make the frame seen in the image in the left.
Unfortunately at this point I didn't take shots of the making of this since I had already had made it a while ago. I carved the slots carefully so the two pieces would fit snugly in the notches to make the removable frame. Once you have your frame. Your ready to start making the clay chambers on the glass. Remember the chambers the ants will live in will be created by the clay you are now putting on the glass.