![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/04/barge3-1024x421.png)
Paddle steamer barge model made by Yifan Shan
![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/04/barge4-1024x449.png)
Paddle steamer barge model made by Yifan Shan
![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/04/barge2-1024x346.png)
Paddle steamer barge model made by Yifan Shan
![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/03/barge-1024x425.jpg)
Paddle steamer barge model (without texture) made by Yifan Shan
![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/03/factory-1024x488.png)
Factory made by Steven Goehrig
![](https://projects.etc.cmu.edu/bridging-time/wp-content/uploads/2023/05/train-1024x393.png)
Hot metal train car made by Steven Goehrig