Prevents restaurant waiters from refilling clear carbonated drinks with water. Same model can be used to prevent perfectly sweetened ice tea from being altered by partial refill with straight tea.
"Embossed lettering effect" is achieved by printing lid upside down, message flipped backward, and changing filament color after first several layers.
| DDPLid.3mf | 83.1KB | |
| DDPLid.stl | 43.4KB |
