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Comment by mrweasel | Hacker News Reader

Now if someone would just make an app that can figure out which set my bricks belong to. I have at least two sets that I can't find the instructions for, because I have no idea what they're called or which number they have. The bricks are fairly unique, they can't be in more than 10 sets.

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You can try to find the parts that stand out on bricklink[0], which will point you to the sets they were used in. It's pretty quick, once you figure out what the part can be called or what category it fits in.

If you can't figure it out, you can ask for help on the "bricks" StackExchange site[1].

[0] https://www.bricklink.com [1] https://bricks.stackexchange.com/

I've attempted to find some sets based on a single complicated brick and it can be challenging. How do I find the "official" name of the brick based on my own vague description [0]? What is the true color? How do I find special printed bricks? I'm sure with practice it gets easier. How open is bricks stack exchange to posting just an image of a brick with not much more to go on?

[0]: As an example, here the description of a brick I struggled to name. I've since figured it out, but you are welcome to guess: flat 4x1 with bumps only on the ends (yes, "bumps", because I don't know what the technical term is. Again, I'm sure there's a guide or glossary I could find.)

> What is the true color?

I have a palette of bricks of known color to calibrate against. If you've got a good number of sets, you'll likely start to accumulate things that are only in a few colors. If possible, it's nice to switch those up with a 1x2 brick in that color for consistency and because the 1x2s are stable on the large area maps.

> As an example, here the description of a brick I struggled to name. I've since figured it out, but you are welcome to guess: flat 4x1 with bumps only on the ends (yes, "bumps", because I don't know what the technical term is. Again, I'm sure there's a guide or glossary I could find.)

You kind of work up to it. There are very small and hard to read numbers on a lot of the parts that helps sometimes. Searching for 1x4, ignore printed parts, shows 230 parts on rebrickable (other sites may vary), looking through all those pictures gets me to "Plate Special 1 x 4 with 2 Studs" [1]. I don't think there's a brick like this, or I can't find it, just the plate; but then you didn't know the magic terminology that the flat pieces (1/3rd height) are plates, not bricks. Had I properly interpreted your description, I'd have jumped to the plates, special category, and skipped the search.

[1] https://rebrickable.com/parts/92593/plate-special-1-x-4-with...

> How open is bricks stack exchange to posting just an image of a brick with not much more to go on?

Judging by the 623 answered questions with the "part-identification" tag (out of 636)[0], I'd say pretty open. A lot of them are just what you are asking for, people helping IDing a single part from a picture. Some are much more specific, asking about minor variations on parts, and still get a detailed answer a lot of the time.

[0]https://bricks.stackexchange.com/questions/tagged/part-ident...

There is a site that identifies bricks based on an image: https://brickognize.com

I'm sure there was a brick scanning app that appeared a while ago, or try and find a number and enter it on Lego site [1], otherwise post a picture on BrickLink and I'm sure someone will know what it is! Then you can look on BrickLink or Rebrickable to find sets that it came from

[1] https://www.lego.com/en-gb/service/help/building_instruction...

Brinklink has list for each brick of the set it belongs too. I was able to use that to discover a set I didn't know my older brothers had.

There are typically numbers somewhere on bricks that you can lookup.

Or ... Reverse image search.

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