Thread Geometries
- Conversion process of a circular shape with four focal points to an egg shape by moving one of the points with same length of thread.
- Conversion process of a circular shape with four focal points to an ellipse shape by moving two of the points with same length of thread.
Links
- Silk pavilion
- ...
Knot
- There is a special knot in climbing which is very strong and easy to unknot. This knot is using for hanging from the mountain and can save climbers lives.
- repeating the climbing knot over and over creates a network of knots which is a very strong net.