24 tooth sprocket 3d model

a 24 tooth sprocket for a chain that is 2 inches in diameter from tooth to tooth and 0.1 inches in thickness. each tooth should be evenly spaced and 0.125 inches long in a triangular shape. the whole shape should be solid, and it should have an extra extruding circle in the center that is 0.85 inches in diameter and adds 0.2 inches in width, making the total 0.3 inches. there should be a centered, square shaped hole measuring 0.13 inches in diameter.