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text-to-cad is a library of agent skills for generating, inspecting, sourcing, slicing, and handing off CAD and robot-description artifacts from local project files.

💫 Toolkit to help you get started with SDD or any other process!

TIP] > New workflow now available! We've rebuilt OpenSpec with a new artifact-guided workflow. > > Run /opsx:propose "your idea" to get started.

An open, beginner-friendly book that follows one silicon wafer from sand, through the fab, test and packaging, until it becomes a chip.

Most people learn ML frameworks by importing them. We built ours by hand, then made it hit harder.

On most Linux distributions, FreeCAD is also directly installable from the software center application.

Compound Engineering is a plugin of 35 skills for AI coding agents. It structures the work around a loop — brainstorm, plan, build, review, then capture what you learned — so the knowledge from each change is written down where the next change can read it.

Hey, welcome to the course. I hope this course provides a great learning experience.

QymCAD is a desktop CAD for mechanical parts and assemblies: housings, brackets, mechanisms, printed and milled work.

A curated list of engineering blogs

SciPy (pronounced "Sigh Pie") is an open-source software for mathematics, science, and engineering. It includes modules for statistics, optimization, integration, linear algebra, Fourier transforms, signal and image processing, ODE solvers, and more.

Microduck 复刻 · 从官方 MJCF 与 Rust 源码反推出的装配图、CAD 装配体与完整电控方案 | Mechanical + electronics reconstruction of Pollen Robotics' Microduck

Technically-oriented PDF Collection (Papers, Specs, Decks, Manuals, etc) — browse & search it at tpn.github.io/pdfs

Study real CAD. Remix plates and cases. Design compatible accessories.

A curated list of references for MLOps

Open-source explicit finite element solver for simulating crashes, impacts, explosions, and other dynamic events.

Design patterns are solutions to recurring problems; guidelines on how to tackle certain problems. They are not classes, packages or libraries that you can plug into your application and wait for the magic to happen.

The new website is now online at and is open to contributions :hammerandwrench:.

This project was a proof-of-concept launcher and interceptor system built from consumer electronics and 3D-printed components.

TIP] > This is a source-grounded course for engineers who need to make architecture decisions under real constraints. Complete the engineering foundation first if you cannot yet trace, debug, disassemble, structure, and review production-shaped services.

---- This is the data repository for the 2019 Novel Coronavirus Visual Dashboard operated by the Johns Hopkins University Center for Systems Science and Engineering (JHU CSSE).

Google has many generalized engineering practices that cover all languages and all projects. These documents represent our collective experience of various best practices that we have developed over time.

Grab is Southeast Asia (SEA)'s leading transportation platform and our mission is to drive SEA forward, leveraging on the latest technology and the talented people we have in the company. 3 million rides daily and we are growing and hiring at a rapid scale.

The Startup CTO's Handbook, a book covering leadership, management and technical topics for leaders of software engineering teams

Robot Framework |r| is a generic open source automation framework for acceptance testing, acceptance test driven development (ATDD), and robotic process automation (RPA). It has simple plain text syntax and it can be extended easily with generic and custom libraries.

Thoughts on Go performance optimization

The package currently provides focused skills for schematic work, PCB review, parts and BOM decisions, KiCad exports, and Gerber review.

Abaqus UMAT Codex skills for constitutive modeling, return mapping, damage, state contracts, tangent auditing, and hierarchical validation.