Mailbox Letter Riser (to keep mail dry)

My mailbox gets a little water in when it rains. It has drain holes but still creates a little pool of water in a few areas or gets the mail wet before the water can drain out. Notches are designed to go on the bottom to help with water flow toward the drain *Tips for customization:Use the customize tool on your browserDownload as .3mfOpen in Bambu StudioRight click on the Output Object and Split into objectsArrange as preferredDesigned to fit this size mailbox but parametric files available in case you need to customize for your mailbox size: