Make your own trim—cheap! Cut any profile When a job calls for painted trim, I almost always cut costs with MDF. Even inexpensive wood, like this poplar baseboard, costs four times as much. To make trim, I cut MDF sheets into strips and shape the edges with a router or router table. With the right bit, I can create just about any trim profile, simple or fancy. Some home centres carry ready-made MDF trim for less than the price of solid wood.