This is a .30-30 ammo storage box that holds 100 rounds. Took me 13 hours to print the box with my Centauri Carbon at 15% infill. The lid takes another hour and a half. Model does not need supports. Box Measures out at 146mm X 146mm X 75mm or 5 3/4" X 5 3/4" X 3" with lid in place.