What kind of material is better for some kind of ceiling, such as wood keel, light steel keel, or
The ceiling will basically do not use the wooden keel are flat top steel keel shape top directly with blockboard and 9mm board 5mm board to do modeling such as oval shape
After the line with the woodworking board to open about 200mm wide oval frame (upper and lower layers) and then use 200 * 400 (height) of the wood plate around the oval to do the upper and lower layers of the two oval connected inside and then sealed 5mm board plate Hang up to shape out (drawing very good description of the painting really can not say you do not know clearly)
