### [Roulette](https://en.wikipedia.org/wiki/Roulette_(curve)) ![|300](https://upload.wikimedia.org/wikipedia/commons/6/69/Cycloid_f.gif)![|150](https://upload.wikimedia.org/wikipedia/commons/a/ae/EpitrochoidOn3-generation.gif) #### [Spirograph](https://en.wikipedia.org/wiki/Spirograph) ![[Pasted image 20260111145651.png|300]] #### [Hypocykloid](https://sv.wikipedia.org/wiki/Hypocykloid) ![|300](https://upload.wikimedia.org/wikipedia/commons/b/b5/Deltoid2.gif) ##### [Astroid](https://en.wikipedia.org/wiki/Astroid) ![|300](https://upload.wikimedia.org/wikipedia/commons/7/78/HypotrochoidOn4.gif) #### [Epicykloid](https://sv.wikipedia.org/wiki/Epicykloid) ![[Pasted image 20260111145526.png]] #### [Trochoid](https://en.wikipedia.org/wiki/Trochoid) ![|300](https://upload.wikimedia.org/wikipedia/commons/6/69/Cycloid_f.gif) #### [Epitrochoid](https://en.wikipedia.org/wiki/Epitrochoid) ![|300](https://upload.wikimedia.org/wikipedia/commons/4/4b/TrohoidH1%2C25.gif) ![|300](https://upload.wikimedia.org/wikipedia/commons/2/20/EpitrochoidIn3.gif) #### [Hypotrochoid](https://en.wikipedia.org/wiki/Hypotrochoid) ![|300](https://upload.wikimedia.org/wikipedia/commons/f/fa/HypotrochoidOutThreeFifths.gif) #### [Involute](https://en.wikipedia.org/wiki/Involute) Involute and evolute ![|200](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Involute.gif/330px-Involute.gif) Tractrix (red) as an involute of a catenary ![|200](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Evolute2.gif/330px-Evolute2.gif) The evolute of a tractrix is a catenary