Knots 3D
Shares rank 15 of 18 reference websites by recommenders
People recommend it as a handy phone app for learning and teaching knots, including to Scouts. The most common caveat is that it is missing some knots people use.
People recommend it as a handy phone app for learning and teaching knots, including to Scouts. The most common caveat is that it is missing some knots people use.
5 people gave an opinion
- recommend it
- 5
- criticize it
- 0
- approval share
- 100%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Always available on the phone
“It is really handy because most people keeps the phone with them all the time.”
Comment from 6 Feb 2026 in “Animated Knots” “Re-watch the Knots 3D on the Phone”
Comment from 6 Feb 2026 in “Animated Knots”
What people warn about
Each mark is one comment
Missing some knots people use
“I like Knots 3D better, but it's missing some knots that I use.”
Comment from 6 Feb 2026 in “Animated Knots”
Other reference websites people recommend
The four most recommended other reference websites, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Sheldon Brown's Bicycle Technical Info | 49 | 0 | 100% | 6 | 19 yrs4 owners | Approved |
| Animated Knots by Grog | 14 | 1 | 93% | 2 | — | — |
| Ian's Shoelace Site | 10 | 1 | 91% | 4 | — | Approved |
| OEIS | 9 | 1 | 90% | 6 | — | — |
| Knots 3DThis page | 5 | 0 | 100% | 2 | — | — |
What people said
5 of the 6 comments that mention it, newest first. Each links to the original comment.
“oft-cited places to learn knots on the internet”
“Re-watch the Knots 3D on the Phone”
“It's great and I have used to help teach knots to Scouts quite a few times.”
“I like Knots 3D better, but it's missing some knots that I use.”
“It is really handy because most people keeps the phone with them all the time.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.