This step by step diy project is about12×12 one horse barn plans. This is a small barn that is ideal for sheltering one horse and it features a nice Dutch door to the front. This barn has a lean to roof with a medium slope (2:12). Make sure you check the local codes and make adjustments to the plans, if required. Take a look over the rest of mywoodworking plans, if you want to get more building inspiration.