Small horse barn plans. icreatables sheds small horse barns plans are the perfect investment for horse lovers. we have a great library of small horse barns and run in. These barn shed plans come with full email support. our downloadable barn shed plans come with detailed building guides, materials lists, and they are cheap too!. See and print this 10′ x 8′ free storage shed plan in pdf format. it requires adobe acrobat reader.