/Tech13h ago

Aaron Li uses Claude Fable 5 to generate a functional V8 engine CAD model in under 10 minutes

Anthropic's Claude Code lead Boris Cherny amplified the demo

2575.2K2972.2K544.8K
Original post
Aaron Li@aaronli

claude fable 5 has solved CAD

I asked it to make a model of a V8 engine

It came back to me with a fully working model in under 10 minutes

6:03 PM · Jun 10, 2026 · 547.3K Views
Sentiment

Positive users are impressed by Claude Fable 5 generating a working V8 engine CAD model in minutes, while negative users call the output technically flawed, non-functional, or clickbait.

Pos
49.1%
Neg
50.9%
56 comments with sentiment.
Cluster Engagement
Posts from X
Most Activity
Most Activity
VIEWS9.6K
Ojas Jain@ozzajj

@aaronli @adamdotnew What plugins are you using ? I tried getting it to work with Blender but it's pathetic still

15hViews 9.6KLikes 3Bookmarks 1
BOOKMARKS153
Aaron Li@aaronli

@ozzajj @adamdotnew It’s the Adam fusion plugin!

https://adam.new/

14hViews 9.1KLikes 45Bookmarks 153
LIKES63
Casey Handmer@CJHandmer

@aaronli @adamdotnew Cool now send the parts to Send Cut Send or PCB Way, assemble the resulting pieces, and start it.

15hViews 1.8KLikes 63Bookmarks 2
RETWEETS297
Aaron Li@aaronli

claude fable 5 has solved CAD

I asked it to make a model of a V8 engine

It came back to me with a fully working model in under 10 minutes

20hViews 547.3KLikes 5.3KBookmarks 2.2K
REPLIES5
am.will@LLMJunky

@aaronli @adamdotnew i dont know about solved. it failed to make a functional padlock for me. and I gave it a really strong prompt.

this is even with some revisions.

the internals look cute but they dont work, all kinds of problems with them.

16hViews 1.9KLikes 11Bookmarks 1
Aaron Li@aaronli

@realjoelroberts @adamdotnew Try our new fusion extension! Prompt to CAD.

https://adam.new/

18hViews 2.8KLikes 7Bookmarks 13
Daazed McFarland@mcfarland72409

@aaronli @adamdotnew And its a dohc with a single pushrod wtf this is trash and the camshaft would instantly disintegrate not that it matters because its not getting fuel anywhere and the cylinder heads would have nice little valve stamps on them but it wouldn’t hit hard because 0 psi no rings

17hViews 6.2KLikes 45Bookmarks 2
Aaron Li@aaronli

@feynman_ri82211 @adamdotnew sheer human creativity will triumph

17hViews 6.1KLikes 37Bookmarks 2
Planckions@feynman_ri82211

@aaronli @adamdotnew Beautiful yet terrifying. Just curious, like Ai changed coding this is also affected so where do we go from here?

18hViews 7.3KLikes 30Bookmarks 1
kvick@kvickart

@aaronli @adamdotnew that is truly amazing

19hViews 6.2KLikes 26
adam@adamdotnew

@LLMJunky @aaronli https://fusion.adam.new/install

16hViews 62Likes 1Bookmarks 3
Aaron Li@aaronli

@sirius_devops @adamdotnew I think it just invented a new technology called the V8 engine

17hViews 7.4KLikes 15
adam@adamdotnew

@ozzajj @aaronli https://fusion.adam.new/install

15hViews 115Bookmarks 3
Lance@sirius_devops

@aaronli @adamdotnew Ask it to invent something not just copy paste

17hViews 7.9KLikes 11
Daazed McFarland@mcfarland72409

@aaronli @adamdotnew Lol this is not any motor that will run

17hViews 6.8KLikes 14
BijanBowen@bijanbowen

@aaronli @adamdotnew and it went for a quad cam v8, as if I needed another reason to be impressed with this model haha

17hViews 5.6KLikes 10
Ojas Jain@ozzajj

@aaronli @adamdotnew Does it work with Blender ?

14hViews 1.7KBookmarks 1
Maahir Panchal@maahirpanchal

@aaronli @adamdotnew I want you to build this and use it in your car daily. This exact model. “Solved”

16hViews 773Likes 11
Abe@Abe3ngr

@aaronli @adamdotnew nothing is hard when you have billions and copyright laws dont apply to you. The amount of copyright and infringements these AI and Tech companies are getting away with is insane. The real question why is it still trash like you have all resources and your still have this shit!

15hViews 1.3KLikes 1Bookmarks 1
Aaron Li@aaronli

@kvickart @adamdotnew It’s crazy

19hViews 5.7KLikes 7
Load more posts