Build a firewood box from one sheet of 3/4" plywood and some common boards. Holds about 1/4 of a cord of wood. Very sturdy. Put together with construction screws (no pocket holes). Free step by step plans from Ana-White.com
Preparation
1 - sheet of 3/4" thick plywood, cut into four pieces, each 48" x 24" or purchase precut panels 48" x 24" - AC or Hardwood Plywood recommended
3 - 2x2 @ 8 feet long
3 - 1x12 @ 4 feet long
2" self tapping wood screws and wood glue
4 - 3/4" plywood pieces 24" x 48"
2 - 2x2 @ 48"
2 - 2x2 @ 35" - ONE end cut at 30 degrees off square, short point measurement
2 - 2x2 @ 24-1/4" - BOTH ends cut at 30 degrees off square, long point to short point measurement, ends are parallel
3 - 1x12 @ 48"