Torus (collection) - twiset/cutted - 1 knife (180°,360°,540°); 3 knifes (360°); 6 knifes (360°)

Hello.
I´ve created this collection of twisted/cutted toruses. Inspired by video from numberphile:
https://www.youtube.com/watch?v=3_VydFQmtZ8&t=7s
Have fun with it!
//Marking: torus - (number of knifes used , overall rotation along circumference) [watch the video to know what I am talking about.]
//I will add another ones as they are designed. And also seperatly.
//On the photo is torus - 3,360