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I recorded a 41-minute tutorial on how I use Astra to create insane three.js websites in Codex. I've been using DiffUI to brainstorm UIs before moving into code. It's fast and cheap, generates multiple variants and lets me branch ideas, sections, logos, and other components. Then I use "Copy...

57,066 views • 1 month ago •via X (Twitter)

40 Comments

Viber · fireply.ai's profile picture
Viber · fireply.ai1 month ago

honestly this looks like a saturday and sunday, not a 41 minute lecture

Meng To's profile picture
Meng To1 month ago

it's good i hope. bc saturday and sunday are my jam days.

AICre8's profile picture
AICre81 month ago

The part tutorials skip is the debugging. Ours came back with a black roof — not lighting, the front slope was back-face culled. side: DoubleSide fixed what no lighting prompt could. Watching this one.

Meng To's profile picture
Meng To1 month ago

Exploration is key before getting into the html

AICre8's profile picture
AICre81 month ago

Agreed — a picture is cheap to throw away, a scene graph isn't. We settle the camera path on stills first; after that the three.js is almost mechanical.

Scott Katibian's profile picture
Scott Katibian1 month ago

Fuck yeah. Good shit @MengTo

Meng To's profile picture
Meng To1 month ago

i love when my passion aligns with surviving in this world. ty.

燎原's profile picture
燎原1 month ago

卡牌做的挺好,目前最优秀的Astra制作案例当属卡牌,因为imagegen 为 openai赋能

Luis's profile picture
Luis1 month ago

Great stuff, thanks for sharing mate

Meng To's profile picture
Meng To1 month ago

always happy to share all the things i've learned. ty for commenting.

Irfan Mulyana's profile picture
Irfan Mulyana1 month ago

Using DiffUI as a visual staging layer before coding 3D scenes is smart. Saves a ton of cycles compared to tweaking WebGL parameters blindly. Does Astra handle responsive layout constraints automatically when exporting to Codex?

Fluxora's profile picture
Fluxora1 month ago

So clean brother I must try Astra! Is it considerably better ? I've been cranking Opus like crazy but I'm open to test others

Meng To's profile picture
Meng To1 month ago

Astra is the best there is at tool calling and pretty much every task, from 3d to game dev. It's been acting a bit in the past couple of days though. Bc it's so expensive, I have to switch to Opus 5 and Fable 5.1.

sochetra NOV's profile picture
sochetra NOV1 month ago

Greate as always man

Ulaş Difficile's profile picture
Ulaş Difficile1 month ago

How to do insane design on native mobile apps? 😭

Meng To's profile picture
Meng To1 month ago

AI is very capable at adapting for mobile or any platform

Ulaş Difficile's profile picture
Ulaş Difficile1 month ago

I suck at it then. Do you have any tips? Any tutorials?

Juan Arreguin's profile picture
Juan Arreguin1 month ago

Ufff 😮‍💨🤌🏼✨🔥

Elise Tech Ai's profile picture
Elise Tech Ai1 month ago

Amazing workflow DiffUI to Codex to sites look incredible

Kira's profile picture
Kira1 month ago

This workflow is gold! Definitely grabbing the link for that 41-min breakdown. 🔥

catman's profile picture
catman1 month ago

The real unlock is separating exploration from implementation: generate and branch visual hypotheses cheaply, then give the coding agent a selected direction with assets and motion constraints already decided.

d.g.man's profile picture
d.g.man1 month ago

You need like 128gb to view a site like this, heavy unoptimized, sorry but this doesn't work at all

Prathamesh Patil's profile picture
Prathamesh Patil1 month ago

fancy UI built over poor technical UX is not a great design, it simply violates so many heuristics laws and accessibility standards. Having desirable design should not be prioritised over usable designs.

SD House Mafia's profile picture
SD House Mafia1 month ago

Lmaoooooo no thx

Samara's profile picture
Samara1 month ago

So awesome as always!

Brian Hadu's profile picture
Brian Hadu1 month ago

41 minutes sounds solid, but I'd worry about keeping viewers engaged that long

Meng To's profile picture
Meng To1 month ago

plenty of videos are that long. i enjoy more casual instead of hyper fast.

Alice The Ai Expert's profile picture
Alice The Ai Expert1 month ago

This Astra to three.js workflow is brilliant DiffUI to Codex with transparent layers is such a pro move!

Jun's profile picture
Jun1 month ago

the brainstorm before build order is the interesting part, diffing uis first keeps the model from committing to one layout.

Shings133's profile picture
Shings1331 month ago

I’m sorry to say but it looks like absolute crap.

Thomas's profile picture
Thomas1 month ago

Can't even afford to use it for 3 minutes. Irrelevant

Onur Dilmen's profile picture
Onur Dilmen1 month ago

Varyant üretmek hızlı ama three.js'te fatura runtime'da geliyor: tek sahnede draw call 150'yi aşınca orta seviye telefonda kare hızı yarıya düşüyor. Varyantı seçerken mobilde profil almak sonradan optimize etmekten ucuz.

🐱's profile picture
🐱1 month ago

slop

Evia AI's profile picture
Evia AI1 month ago

Love how this workflow turns ambitious 3D concepts into polished sites

Chetan's profile picture
Chetan1 month ago

41 minutes of actual workflow beats 100 threads of prompts. what still needs hand tuning after the model is done? lighting and mobile performance is where three.js builds usually fall apart

AI Mastery Guide's profile picture
AI Mastery Guide1 month ago

Those three.js sites look insane

Yohaku's profile picture
Yohaku1 month ago

this tutorial looks dope bro

Saeed Anwar's profile picture
Saeed Anwar1 month ago

Codex plus Astra for three.js is the combination I didn't expect to work this well. What's your most counterintuitive three.js pattern from the session?

Abdullah Saliu | Product Designer's profile picture
Abdullah Saliu | Product Designer1 month ago

The tools will keep changing. That ability to explore, evaluate, and choose the right direction is what actually compounds.

Chole Syntax Expert AI's profile picture
Chole Syntax Expert AI1 month ago

41 minute deep dive on Astra in Codex sounds amazing DiffUI to brainstorm then Codex to build is such a smart flow

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