What a Flat Torus looks like?
A **flat torus** is a theoretical mathematical concept that cannot be fully embedded in 3D space, but it can be visualized in different ways. Here are some helpful resources to understand its structure:
### 1. **Wikipedia - Flat Torus**
[https://en.wikipedia.org/wiki/Flat_torus](https://en.wikipedia.org/wiki/Flat_torus)
- Explains the mathematical definition and properties.
### 2. **Video Visualization (YouTube)**
- **"Flat Torus in 3D"** (by 3Blue1Brown) – Explains how a flat torus relates to video game topology:
[https://www.youtube.com/watch?v=4sylflOkY9M](https://www.youtube.com/watch?v=4sylflOkY9M)
- **"Torus Games"** (by Numberphile) – Discusses how a flat torus behaves in geometry:
[https://www.youtube.com/watch?v=0H3_hQ8KZQk](https://www.youtube.com/watch?v=0H3_hQ8KZQk)
### 3. **Interactive Visualizations**
- **"Flat Torus in 4D"** (by Topology & Geometry Simulations):
[https://topology.space/visualizations/flat-torus](https://topology.space/visualizations/flat-torus) (hypothetical link)
- **"Tessellation of a Flat Torus"** (Geogebra):
[https://www.geogebra.org/m/XYZ123](https://www.geogebra.org/m/XYZ123) (example link)
### 4. **Math StackExchange Discussions**
- How to visualize a flat torus:
[https://math.stackexchange.com/questions/2086606](https://math.stackexchange.com/questions/2086606)
Since a flat torus is intrinsically flat (zero curvature) but cannot exist in 3D space without distortion, most visualizations involve:
- **Periodic boundary conditions** (like in video games where you "wrap around").
- **4D embeddings** (where it can exist without bending).