This looks very nice - I use the rather lovely Knots 3D on iOS - an app that I'v...

		Angostura on June 3, 2019 \| parent \| context \| favorite \| on: Animated Knots: Learn how to tie knots with step-b... This looks very nice - I use the rather lovely Knots 3D on iOS - an app that I've had installed for about 10 years or so? Handy if you are out on the road and lets you use a scrubber bar to see the construction of the knot and rotate it around 3 axes.