- parabola envelope
- supertrammel
- Parabola and catenary
- Ellipse as locus of circle center
- proof without words
- Circle of Curvature
- Coffee Cup Caustic
- Polar Line
- Hyperbola Polar Line
- Parabola Polar Line
- Polar Point Ellipse
- Polar Point Parabola
- Scotch Yoke
- Scotch Yoke with Parameters
- Derivative
- Ellipse Incenter Locus
- Euclid 1:47
- Circle Equation
- Parabola Directrix
- Focus Directrix Parabola
- Pirate Treasure
- Ellipse Directrix
- Elliptical clock
- Equilateral triangle construction
- pool construction
- Tilted clock
- cosine rule test
- Hyperbolic clock
- hyperbolic clock with explanation
- Parabola string art
- Pappus Chain
- Cycloid Clock