Interactive 3D Geometry & Net Builder with Collision Detection
Tailored for UK Functional Skills Maths (Levels 1 & 2) and GCSE Foundation.
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maths-net-tool was created by IAMGREATER.
If you use, share, adapt, or deploy this tool — in a classroom, on a website, in a resource pack, or anywhere else — you must credit IAMGREATER.
How to credit:
"maths-net-tool was created by IAMGREATER.
Original tool: https://github.com/IAMGREATER/maths-net-tool"
This tool is licensed under CC BY 4.0 — free to use and adapt, but credit is required. See the LICENSE file for full details.
The 3D Nets & Folding Lab is an interactive web application designed to help learners master 2D nets and 3D shapes. It features real-time 3D simulation with dynamic folding, collision detection for invalid nets, an interactive net builder, a shape-matching puzzle game, an opposite faces quiz, surface area calculations, and clean A4 printable net templates.
- 100% Standalone & Offline Ready: Everything runs in a single HTML file (
index.html) with zero external network requests. - UK Curriculum Aligned: Covers essential topics for City & Guilds, Pearson Edexcel, AQA, Highfield, and NCFE Functional Skills Maths L1/L2.
For simple, clear instructions and classroom tips:
- Print-Ready Dyslexia-Friendly PDF Guide
- Interactive Web User Guide (HTML)
- Quick User Guide (Markdown)
- Or click the 📖 Guide button directly inside the app.
- 🔍 Explore Shapes & Nets: 15 shapes and nets (Cubes, Prisms, Pyramids, Cylinders, Cones, and common Invalid Nets). Single-click Play/Pause and interactive slider for smooth 0–100% folding.
- ✏️ Draw Your Own Net: 7×7 interactive grid. Place 6 squares to discover which of the 35 hexominoes fold into valid cubes vs. which have collisions.
- 🧩 Net Shape Matcher: Puzzle game where learners select and snap faces together on a magnetic grid to construct nets for target solids.
- 🎯 Opposite Faces Quiz: Practice identifying opposite faces without folding—a high-frequency exam question.
- 📊 Surface Area Tool: Live formula breakdown calculating total surface area by summing face areas.
- 🖨️ A4 Net Printouts & PDF: Export high-resolution, print-ready A4 worksheets (2-up or 1-up) formatted for cutting and folding without black borders.
Simply open index.html or maths-net-tool.html directly in any modern browser (Chrome, Edge, Firefox, Safari).
Designed by IAMGREATER for Functional Skills Maths Learners and Teachers.