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Show HN: LuaCAD – Parametric CAD Scripted in Lua

https://luacad.ad-si.com
4•adius•42m ago
LuaCAD models solids in Lua rather than the OpenSCAD language, with operator overloading for CSG (`a + b`, `a - b`, `a * b`).

It ships with a CLI and a desktop app, including a preview area and a text editor.

I've always been a big fan of OpenSCAD, but the SCAD language itself is unfortunately quite cobbled-together and is a very poorly designed programming language.

LuaCAD takes all the good parts of OpenSCAD and combines them with one of the best scripting languages. It has now completely replaced OpenSCAD for me, and I think it provides a better experience than OpenSCAD for all use cases. I'd love to hear any reasons why LuaCAD shouldn't fully replace OpenSCAD!

Tech stack:

- It's implemented in Rust and uses mlua (https://github.com/mlua-rs/mlua) to execute the Lua code.

- Uses OpenCSG (https://opencsg.org) for fast and correct rendering of the 3D models (like OpenSCAD)

- Uses Manifold (https://github.com/elalish/manifold) to create the manifold triangle meshes

- Native support for all BOSL2 functions (i.e. implemented in Rust for better performance)

Map: Tracking OpenAI's Leadership Exodus

https://ca.finance.yahoo.com/news/map-tracking-openais-leadership-exodus-231728875.html
1•yogthos•14s ago•0 comments

The Workplace Works as Designed. That's the Problem

https://participate.sxsw.com/flow/sxsw/sxsw27/community-voting-sxsw/page/community-voting/session...
1•mooreds•1m ago•0 comments

Ask HN: Did anyone get fired because of DDoS by AI?

1•novateg•1m ago•0 comments

Asus PureGo Fruit and Vegetable Cleanliness Detector

https://www.asus.com/us/networking-iot-servers/smart-home/smart-kitchen/purego-pd100/
1•Bluestein•3m ago•0 comments

The Foothills of Bay Area House Party

https://www.astralcodexten.com/p/the-foothills-of-bay-area-house-party
1•paulpauper•3m ago•0 comments

How to Keep Thinking

https://www.seangoedecke.com/how-to-keep-thinking/
1•inferhaven•3m ago•0 comments

Don't Worry About Scratching Your iPhone Camera Lenses

https://daringfireball.net/2026/08/iphone_camera_lens_scratch_resistance
1•Tomte•3m ago•0 comments

Flu vaccine shown to increase infections

https://www.foxnews.com/health/flu-vaccine-linked-higher-infections-says-early-research
1•bilsbie•4m ago•0 comments

Ask HN: Where can I find small programmer communities?

1•NotParth11•4m ago•0 comments

Training AI Scientists to Replicate Research

https://inherentlabs.ai/research/training-to-replicate
1•pixelmoth•5m ago•0 comments

Regulated Markets Are Slow to Handle Change

https://marginalrevolution.com/marginalrevolution/2026/08/regulated-markets-are-slow-to-handle-ch...
1•paulpauper•6m ago•0 comments

Adding to the Barrel of Finance Fallacies

https://marginalrevolution.com/marginalrevolution/2026/08/shooting-fish-in-a-barrel.html
1•paulpauper•6m ago•0 comments

CFPB to Stop Posting Customer Narratives on Complaint Database

https://news.bloomberglaw.com/banking-law/cfpb-to-stop-posting-customer-narratives-on-complaint-d...
2•petethomas•7m ago•0 comments

Clicks Communicator and Power Keyboard

https://www.clicks.tech/
1•amai•7m ago•0 comments

Show HN: Easel – Interactive review boards for agent feedback loops

https://github.com/The-Sentience-Company/easel
1•Aazen•11m ago•0 comments

Lisa's Copy (and Cut, and Paste)

https://unsung.aresluna.org/deeper-dive-lisas-copy-and-cut-and-paste/
1•arbesman•11m ago•0 comments

DeepSeek Paper: A Programming Paradigm for Spatiotemporal Composability [pdf]

https://github.com/cordiverse/paper/blob/main/paper.pdf
1•gr_norm•12m ago•0 comments

The Deadlock Empire

https://deadlockempire.github.io/
2•gregsadetsky•14m ago•0 comments

Asus Oxiis turns bicycle into e-bike with USB-C and 500W motor

https://www.notebookcheck.net/Asus-Oxiis-turns-bicycle-into-e-bike-with-USB-C-and-500W-motor.1368...
2•thunderbong•14m ago•0 comments

The Bots Always Find Something

https://faingezicht.com/articles/2026/08/14/the-bots-always-find-something/
2•avyfain•15m ago•0 comments

Systemd-Networkd as a Router

https://www.apalrd.net/posts/2026/asn_networkd/
2•speckx•16m ago•0 comments

MSCI Gave SpaceX an ESG Score Matching Wartime Russia

https://finance.yahoo.com/markets/stocks/articles/msci-gave-spacex-esg-score-122904001.html
3•johnbarron•18m ago•0 comments

Fortunes from AI revive effective altruism after Sam Bankman-Fried turmoil

https://www.ft.com/content/938b4b82-06d2-4b92-a807-38d935d7d5c5
3•aanet•18m ago•1 comments

Throwback attack: Contractor plants Siemens logic bomb to keep income flowing

https://www.controleng.com/throwback-attack-contractor-plants-siemens-logic-bomb-to-keep-income-f...
2•Tomte•19m ago•0 comments

Why Open Source Matters for AI

https://www.oreilly.com/radar/why-open-source-matters-for-ai/
3•BerislavLopac•19m ago•0 comments

Agora – a persistent world for language models that they rewrite by vote

https://agora.perussina.com/
2•dperussina•19m ago•0 comments

Omarchy Quattro

https://twitter.com/dhh/status/2088304854603047019
6•tosh•21m ago•0 comments

Muxel – a multi-agent terminal multiplexer for AI coding agents

https://muxel.sh/
3•ankitg12•21m ago•0 comments

Beyond Zero: Enterprise Security for the AI Era

https://queue.acm.org/detail.cfm
2•joozio•22m ago•0 comments

Just how big is the hidden leverage of AI hyperscalers?

https://www.ft.com/content/a0a07cce-6d19-4b1e-a73b-9855a06ba7b3
4•johnbarron•22m ago•1 comments