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Show HN: CADara – I made an open-source in-browser CAD

https://cadara.app
8•ttouch•1h ago

Comments

ttouch•1h ago
This is the pre-alpha/alpha release of a new CAD that I created. It uses OpenCascade 7.9 under the hood via WASM and a custom sketch solver written in typescript (substantially faster than I thought it would be)

Right now it can do most of the CAD stuff that one expects apart from anything that involves meshes or curved face manipulation - that'll come soon but I want to have a stable base first before I move any further

I hope you like it, I'm eager to hear your thoughts!

seemaze•28m ago
err.. seems like many of the UI elements taken straight from OnShape?

https://www.onshape.com

dave_universetf•15m ago
It's vibe coded, so not surprising that it replicates the patterns of existing systems.

Google broke reCAPTCHA for de-googled Android users

https://reclaimthenet.org/google-broke-recaptcha-for-de-googled-android-users
548•anonymousiam•6h ago•182 comments

OpenAI's WebRTC problem

https://moq.dev/blog/webrtc-is-the-problem/
36•atgctg•1d ago•1 comments

AI is breaking two vulnerability cultures

https://www.jefftk.com/p/ai-is-breaking-two-vulnerability-cultures
217•speckx•6h ago•95 comments

You gave me a u32. I gave you root. (io_uring ZCRX freelist LPE)

https://ze3tar.github.io/post-zcrx.html
123•MrBruh•5h ago•78 comments

Cartoon Network Flash Games

https://www.webdesignmuseum.org/flash-game-exhibitions/cartoon-network-flash-games
271•willmeyers•8h ago•95 comments

Wi is Fi: Understanding Wi-Fi 4/5/6/6E/7/8 (802.11 n/AC/ax/be/bn)

https://www.wiisfi.com/
54•homebrewer•2d ago•26 comments

AWS North Virginia data center outage – recovery to take hours

https://www.cnbc.com/2026/05/08/aws-outage-data-center-fanduel-coinbase.html
108•christhecaribou•21h ago•63 comments

David Attenborough's 100th Birthday

https://www.bbc.com/news/articles/cp3pww9g0p5o
425•defrost•12h ago•83 comments

When is your birthday? The math behind hash collisions

https://0xkrt26.github.io/math_behind_security/2026/05/08/birthday-problem.html
10•denismenace•4h ago•0 comments

Looking at the data behind prediction markets

https://asteriskmag.com/issues/14/are-prediction-markets-good-for-anything
50•kqr•1d ago•26 comments

Can LLMs model real-world systems in TLA+?

https://www.sigops.org/2026/can-llms-model-real-world-systems-in-tla/
13•mad•8h ago•0 comments

The React2Shell Story

https://lachlan.nz/blog/the-react2shell-story/
8•mufeedvh•8h ago•1 comments

Serving a website on a Raspberry Pi Zero running in RAM

https://btxx.org/posts/memory/
188•xngbuilds•9h ago•77 comments

Mux (YC W16) Is Hiring

https://www.mux.com/jobs
1•mmcclure•3h ago

An Introduction to Meshtastic

https://meshtastic.org/docs/introduction/
366•ColinWright•13h ago•141 comments

Meta Shuts Down End-to-End Encryption for Instagram Messaging

https://www.pcmag.com/news/meta-shuts-down-end-to-end-encryption-for-instagram-dms-messaging
114•tcp_handshaker•3h ago•85 comments

Teaching Claude Why

https://www.anthropic.com/research/teaching-claude-why
74•pretext•6h ago•16 comments

Tesla Model Y Passes NHTSA's New 'Advanced Driver Assistance System' Tests

https://www.nhtsa.gov/press-releases/tesla-model-y-first-vehicle-pass-nhtsa-new-advanced-driver-a...
27•amanaplanacanal•1h ago•23 comments

Compound drivers of Antarctic sea ice loss and Southern Ocean destratification

https://www.science.org/doi/10.1126/sciadv.aeb0166
17•littlexsparkee•2h ago•0 comments

Rumors of my death are slightly exaggerated

1500•CliffStoll•2d ago•234 comments

Mojo 1.0 Beta

https://mojolang.org/
276•sbt567•22h ago•180 comments

Light without electricity? Glowing algae could make it possible

https://www.colorado.edu/today/2026/05/06/light-without-electricity-glowing-algae-could-make-it-p...
7•geox•2d ago•0 comments

Non-determinism is an issue with patching CVEs

https://flox.dev/blog/achieving-rapid-cve-remediation-in-an-era-of-escalating-vulnerabilities/
34•mathewpregasen•3h ago•11 comments

All means are fair except solving the problem

https://yosefk.com/blog/all-means-are-fair-except-solving-the-problem.html
29•akkartik•2d ago•37 comments

US Government releases first batch of UAP documents and videos

https://www.war.gov/UFO/
226•david-gpu•12h ago•336 comments

How do I deal with memory leaks? (2022)

https://www.stroustrup.com/bs_faq2.html#memory-leaks
75•theanonymousone•7h ago•64 comments

Poland is now among the 20 largest economies

https://apnews.com/article/poland-economy-growth-g20-gdp-26fe06e120398410f8d773ba5661e7aa
888•surprisetalk•12h ago•730 comments

PC Engine CPU

https://jsgroth.dev/blog/posts/pc-engine-cpu/
117•ibobev•10h ago•52 comments

Hosting a Site on a Raspberry Pi

https://m4rt.nl/blog/hosting-on-a-pi
8•swiftdust•1d ago•0 comments

My first in-prod corrupted hard drive problem

https://blog.pavementlink.ch/2026/05/07/my-first-corrupted-hard-drive-problem/
35•r1chk1t•5h ago•27 comments