This particular DIY planter box is a straightforward and flexible project. The box I made is 12 inches square and 16 inches tall, but you can easily make one with a 16-by-16-inch or 24-by-24-inch ...

It's cheaper than replacing your mailbox! Skip Navigation. Share on ... Jay Crawford DIY: Protect your mailbox from plow truck damage this ... you will want to put the 4x4 pieces of wood into them.