STEM Design & CAD Tools
A collection of beginner-friendly and advanced tools for 2D design, 3D modeling, engineering CAD, simulation, and media production. Ideal for STEM students, makers, and project teams.
November 5, 2025
Table of Contents
- 2D – Raster Graphics (Photos & Painting)
- 2D – Vector Graphics & Layout
- 3D – Introductory Modeling (Beginner-Friendly)
- 3D – General Modeling & Animation
- 3D CAD – Parametric & Engineering Design
- Programmatic CAD (Coding Your Geometry)
- 3D – Voxel & Volume Tools
- Game Engines (Interactive & Real-Time)
- Simulation & Physics
- Media Tools – Audio & Video for Documentation
- Common File Formats
- AI Tools – Text, Images, and 3D
2D – Raster Graphics (Photos & Painting)
GIMP: Free, open-source image editor for photo retouching and general raster work.
https://www.gimp.org- Krita: Open-source painting program, great for concept art, illustration, and digital painting.
https://krita.org - Pixlr: Browser-based photo editor for quick edits without installing software.
https://pixlr.com - Adobe Photoshop: Industry-standard raster editor for advanced image manipulation and compositing.
https://www.adobe.com
2D – Vector Graphics & Layout
- Inkscape: Free vector graphics editor for logos, icons, and technical diagrams.
https://inkscape.org - LibreOffice Draw: Vector and diagram tool bundled with LibreOffice, handy for simple schematics.
https://www.libreoffice.org - Adobe Illustrator: Professional vector illustration software for precise 2D design.
https://www.adobe.com - Scribus: Open-source desktop publishing tool for posters, brochures, and booklets.
https://www.scribus.net - QCAD: 2D CAD program aimed at technical drawings and drafting.
https://www.qcad.org
3D – Introductory Modeling (Beginner-Friendly)
- Tinkercad: Web-based beginner CAD tool for simple 3D models and 3D-printable shapes.
https://www.tinkercad.com - SketchUp: User-friendly 3D modeling tool often used for architecture and basic product design.
https://www.sketchup.com
3D – General Modeling & Animation
- Blender: Powerful open-source 3D suite for modeling, sculpting, animation, and rendering.
https://www.blender.org - Rhino 3D: NURBS-based 3D modeler used in architecture, product design, and fabrication.
https://www.rhino3d.com - Autodesk Maya: Industry 3D package focused on animation, rigging, and VFX.
https://www.autodesk.com - Cinema 4D: 3D modeling and motion graphics package popular in design and advertising.
https://www.maxon.net
3D CAD – Parametric & Engineering Design
- FreeCAD: Free parametric 3D CAD tool for mechanical parts and technical design.
https://www.freecad.org - Fusion 360: Cloud-connected CAD/CAM/CAE platform for modeling, simulation, and manufacturing.
https://www.autodesk.com/products/fusion-360 - SolidWorks: Widely-used parametric CAD program for mechanical and product design.
https://www.solidworks.com - Onshape: Browser-based parametric CAD platform, good for collaboration and education.
https://www.onshape.com
Programmatic CAD (Coding Your Geometry)
- OpenSCAD: Script-based 3D modeling tool where models are defined with code.
https://openscad.org - CadQuery: Python library to build parametric 3D models using code.
https://github.com/CadQuery/cadquery
3D – Voxel & Volume Tools
- MagicaVoxel: Free voxel editor and renderer for low-poly and game-style 3D art.
https://ephtracy.github.io - OpenVDB: Open-source library for volume data used in simulations and visual effects.
https://www.openvdb.org
Game Engines (Interactive & Real-Time)
- Unreal Engine: High-end game engine for realistic graphics and simulations.
https://www.unrealengine.com - Unity: Versatile game engine used for 2D/3D games and interactive apps.
https://unity.com - Godot: Lightweight, open-source game engine great for learning game design and scripting.
https://godotengine.org
Simulation & Physics
- PyBullet: Open-source physics engine (Python-friendly) for robotics and physics simulations.
https://pybullet.org - ANSYS: Commercial multiphysics simulation suite (structural, fluid, etc.).
https://www.ansys.com - COMSOL Multiphysics: Simulation platform for coupled physics and engineering research.
https://www.comsol.com
Media Tools – Audio & Video for Documentation
- Audacity: Open-source audio editor and recorder (podcasts, sound experiments).
https://www.audacityteam.org - Kdenlive: Free non-linear video editor for tutorials and project documentation.
https://kdenlive.org - Shotcut: Cross-platform open-source video editor for simple editing and effects.
https://shotcut.org - OBS Studio: Screen recording and streaming tool useful for demos and live sessions.
https://obsproject.com
Common File Formats
- STL: Standard mesh format for 3D printing; exported by most CAD tools.
https://en.wikipedia.org/wiki/STL_(file_format) - STEP: Neutral CAD exchange format that preserves solid data and assemblies.
https://www.steptools.com - SVG: Vector image format ideal for icons, diagrams, and laser cutting paths.
https://developer.mozilla.org/en-US/docs/Web/SVG - glTF: Modern 3D scene format optimized for the web and real-time rendering.
https://www.khronos.org/gltf
AI Tools – Text, Images, and 3D
ChatGPT: Conversational AI assistant for brainstorming, coding help, and documentation.
https://chatgpt.com- Claude: AI assistant focused on writing, analysis, and code support.
https://claude.ai - DALL·E: Text-to-image generator for concept art and illustrations.
https://openai.com/dall-e - Stable Diffusion: Open image-generation model that can run locally or via web tools.
https://replicate.com/stability-ai/stable-diffusion - Text-to-CAD (NVIDIA): Research project that generates editable CAD-like geometry from text prompts.
https://text-to-cad.zoo.dev - Meshy AI: Online tool that turns text or images into 3D models.
https://www.meshy.ai
