The file 'D4 For Floating DND Potion Bottle Roller 3D Printer Model' is (stl) file type, size is 1.8KB.
A D4 I designed for my floating dice roller potion bottle. The dice are designed so that one side will float to the surface of the bottle. Video of making the bottle here: https://youtu.be/UBeQl6g8HHk