Foamboard Corner Protector

Designed to protect the corners of foamcore/foamboard posters and sheets when they are being moved or stored. Two small pieces of masking tape on the back hold it in place and don't mar the poster surface. Comes in three different sizes (3/16, ¼, and ½ inch varieties; .1875, .25, and .5 inches). Recommended for PLA or PETG.