This is small diorama of 7 common bridge types for educational purposes. The 3MF included has the bridges split into a “top” and “bottom” that is already oriented for printing (with the exception of the Cantilever that needs minimal organic/tree supports for the center). 

Print setting recommendations- we printed the bridges with a 0.16 mm quality profile with great success. If you have any difficulty with the smaller parts, you can try slowing the speeds down slightly. 

Filament colors used in photo- 

Bridges- Panchroma Translucent Grey PLA, Polylite Silk Silver PLA, Polylite Silk Bronze PLA, Polyterra Muted White PLA, Polylite Pro Black PLA, Polylite Pro Grey PLA

Base- Panchroma Starlight Neptune PLA