ldraw-nova
AI
ai model generation for lego cad
SHOW HN2026
How HN took it
14 positive, 7 neutral or asking, 0 mixed, 1 critical, out of 22 comments about the project. Thread score +0.54.
Idea: 5 for, 1 againstExecution: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Fun, cool idea and interesting project.
From 6 comments
Fun idea. Congrats on building and releasing! That said, LLMs encroaching into the pure-imagination world of Lego gives me a bit of the icks...
khazhoux on HNActually very cool and interesting stuff!
qlasisi15 on HNThat's so cool!
Pantera87 on HNReally interesting
quoveo on HNThis is great
shakamd on HNThis is a really interesting idea. I've never seen something unique like this in a long time, thank you for sharing!
aarontian0 on HN
Mechanisms and Technic examples impressive.
From 1 comment
It seems to be able to! https://github.com/anteloc/ldraw-nova/blob/master/examples/mechanism-atlas/README.md
ash_091 on HN
Objections
Using LLMs in the pure-imagination world of Lego is unsettling.
From 1 comment
Fun idea. Congrats on building and releasing! That said, LLMs encroaching into the pure-imagination world of Lego gives me a bit of the icks...
khazhoux on HN
Requests
Physics and stability checking for generated models.
From 3 comments
I'm interested in this for robotics. Probably need physics to do that well.
josh-wrale on HNThats pretty cool, i wonder how far it goes with mechanisms where the parts actually have to move correctly, rather than just being assembled correctly
jasonmarker on HNPhysics modeling is something Nova is currently lacking, and I think very interesting, given that agents currently don't verify physics, stability... only placements.
antelocnova on HN
Constrain designs to available parts.
From 1 comment
> the 51515 Lego set On that note- have you considered adding constraints for part availability? It would be useful to be able to create designs using only parts which are on…
ash_091 on HN
Questions
Token cost of generating models.
From 1 comment
Any estimates for token costs to generate these models? Curious about costs for Astra, Opus and Jev for some of the examples you have in the video.
CptBroccoli on HN
Does it work with local models.
From 1 comment
How well does this work with local models like https://github.com/receptron/laya (open source Jev) and vision capable models like Qwen 3.8 Flash Next, or even Qwen 3.8 27B on…
SillyUsername on HN
Alternatives named
BrickGPT (CMU) text-to-brick generation.
From 1 comment
You might also be interested in this research at CMU: https://avalovelace1.github.io/BrickGPT/ We introduce BrickGPT, the first approach for generating physically stable toy…
jasonhong on HN
BrickIt photo cataloguing of Lego.
From 1 comment
https://brickit.app/ :)
ash_091 on HN