Different types of puzzle-basic(1)

Skewb“skewb” is a word combined by skew and cube. Its basic shape is a cube but with completely different structure from rubik’s cube. It has four axes while rubik’s cube has six. You can twist I around its corner. (the shape of the rotated surface is hexagon.)

https://ruwix.com/twisty-puzzles/skewb-pyraminx-mod-skewb-diamond/

With less piece and axis,it’s easier and have fewer steps to solve it. The world record is 1.10 seconds held by Jonatan Kłosko.

following are skewb in different shape:

http://www.davidguo.idv.tw/cube/skewb.htm

Pyraminx it’s a twisty puzzle in the shape of cones invented by Uwe Mèffert. Like pyramid, so it’s called pyraminx. It also has four axes and can be rotated around each of its corner.

https://en.wikipedia.org/wiki/Pyraminx

Although it has three layer, it’s as simple as skewb. The world record is 1.32 seconds.  

resource:

https://ruwix.com/twisty-puzzles/skewb-pyraminx-mod-skewb-diamond/

https://en.wikipedia.org/wiki/Skewbhttps://www.worldcubeassociation.org/results/regions.php