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Knots 3D – Learn how to tie over 150 useful knots

knots3d.com

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Re: Knots 3D – Learn how to tie over 150 useful knots

#21

I've also bought this app on Playstore, a couple of years ago, but for me it's sort of useless. Yes, you can try to follow the picture, but that's usually not how you tie the knot. I wish this app would show how to tie the knots efficiently with your hands, like in this video [1] 1: https://www.youtube.com/watch?v=n2aRj8dQPRQ

i had it already installed too. took a look at it and it now includes a 3d animation showing how you tie the knot. It's pretty good.

Re: Knots 3D – Learn how to tie over 150 useful knots

#22
post #13

I've also bought this app on Playstore, a couple of years ago, but for me it's sort of useless. Yes, you can try to follow the picture, but that's usually not how you tie the knot. I wish this app would show how to tie the knots efficiently with your hands, like in this video [1] 1: https://www.youtube.com/watch?v=n2aRj8dQPRQ

I just installed the app and I can switch the view horizontally and vertically, rotate the view 360 degrees and change the speed. I can also incrementally step forward and backward through every step of the knot tying process by swiping my finger up and down. I could not ask for a more thorough example of how to tie a knot.

The app doesn't actually show the knot tying process for many knots. Yes, any knot can be created by carefully weaving one open end through the entire process (what is shown). But that's not how many (most?) knots are actually tied in practice. And for many knots it would be impractically difficult to tie it this way.

Re: Knots 3D – Learn how to tie over 150 useful knots

#23

This site makes the Trucker's Hitch look very simple. You just start with an Alpine Butterfly, pull a loose end through a ring and then the butterfly loop, then secure the loose end around the rope. https://knots3d.com/knots/en_us/63/truckers-hitch Note for the author: the "Note" section on that page has the same text pasted 3 times. Still a great tutorial!

The alpine butterfly is one of my favorite and most used knots in my workshop. Very easy to remember, very strong and useful.

Re: Knots 3D – Learn how to tie over 150 useful knots

#25

This site makes the Trucker's Hitch look very simple. You just start with an Alpine Butterfly, pull a loose end through a ring and then the butterfly loop, then secure the loose end around the rope. https://knots3d.com/knots/en_us/63/truckers-hitch Note for the author: the "Note" section on that page has the same text pasted 3 times. Still a great tutorial!

Specifically for the Trucker's Hitch, this video is quite popular: https://www.youtube.com/watch?v=TUHgGK-tImY

Re: Knots 3D – Learn how to tie over 150 useful knots

#26

I've also bought this app on Playstore, a couple of years ago, but for me it's sort of useless. Yes, you can try to follow the picture, but that's usually not how you tie the knot. I wish this app would show how to tie the knots efficiently with your hands, like in this video [1] 1: https://www.youtube.com/watch?v=n2aRj8dQPRQ

I know not everyone has (or supports) instagram, but this account is nothing but hands tying knots in different ways, and I love it: https://www.instagram.com/knotsandcues/

Re: Knots 3D – Learn how to tie over 150 useful knots

#27
post #22
post #13

Earlier quoted context omitted.

I just installed the app and I can switch the view horizontally and vertically, rotate the view 360 degrees and change the speed. I can also incrementally step forward and backward through every step of the knot tying process by swiping my finger up and down. I could not ask for a more thorough example of how to tie a knot.

The app doesn't actually show the knot tying process for many knots. Yes, any knot can be created by carefully weaving one open end through the entire process (what is shown). But that's not how many (most?) knots are actually tied in practice. And for many knots it would be impractically difficult to tie it this way.

do you have any examples of knot tying process? I am honestly not 100% sure what you mean but curious to learn more.

Re: Knots 3D – Learn how to tie over 150 useful knots

#28
post #22
post #13

Earlier quoted context omitted.

I just installed the app and I can switch the view horizontally and vertically, rotate the view 360 degrees and change the speed. I can also incrementally step forward and backward through every step of the knot tying process by swiping my finger up and down. I could not ask for a more thorough example of how to tie a knot.

The app doesn't actually show the knot tying process for many knots. Yes, any knot can be created by carefully weaving one open end through the entire process (what is shown). But that's not how many (most?) knots are actually tied in practice. And for many knots it would be impractically difficult to tie it this way.

I think I understand what you mean, but what would that 'extra context' look like?

For example, could 'practical' knot tying be modelled as a sequence of states? So one state would be 'untied' and then the next might be 'looped under', then 'end passed through loop' and so on?

If i think about the enormous pain i had when first tying a bow-tie... then realistically there are all sorts of details like which hand you hold which part with :/

Re: Knots 3D – Learn how to tie over 150 useful knots

#29
post #9

I have to ask: what is HN's interest in knots? Regularly (and dependably!), posts about knots make their way to the front page, often to the top … it's nearly in the same mold as "articles warning about lending/housing behavior".

Perhaps because it relates (vaguely) to

- Topology

- Combinatorics?

- Practical stuff like tying up boats?

I like knots because of the relationship to protein folds, but hey ymmv.

Re: Knots 3D – Learn how to tie over 150 useful knots

#30
post #8

This seems like a great candidate for an AR app.

It really is. Though thread/knot simulation is a very difficult problem. I’m involved in a VR project for surgery that simulates knots for surgical suturing. We have two full time physics phds on it and they’re delivering some promising results but it’s far from good enough to teach IRL knots.

Do different sutures require different knots?
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