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Gridfinity Builder

Design custom Gridfinity storage layouts in your browser. Preview in real-time 3D and export ready-to-print 3MF files for your 3D printer.

What is Gridfinity Builder?

Gridfinity Builder is a browser-based parametric CAD tool that lets you design, preview, and export 3D-printable Gridfinity storage layouts. Built for makers, 3D printing enthusiasts, and anyone who wants to organize their workspace with the Gridfinity modular storage system.
Gridfinity is an open-source modular storage system created by Zack Freedman. This tool helps you design custom bin layouts and export them as 3MF files ready for slicing.

Key Features

Interactive 2D Grid

Drag, resize, and rotate bins with real-time collision detection and snap-to-grid behavior

Real-Time 3D Preview

See your designs rendered in 3D with multiple render modes: Solid, X-Ray, and Blueprint

Accurate Geometry

All bins follow the official Gridfinity specification with precise dimensions

3MF Export

Export designs directly to PrusaSlicer, Cura, or Bambu Studio

Auto-Fill Tools

Automatically fill empty space and optimize your layout

Progressive Web App

Install on any device and work offline

Why Gridfinity Builder?

1

Design faster

Interactive 2D grid with drag-and-drop placement, resize handles, and rotation controls. No CAD experience required.
2

Preview accurately

Real-time 3D rendering powered by Three.js and Manifold CSG engine. See exactly what you’ll print.
3

Print immediately

Export watertight, manifold 3MF files that open directly in your slicer. No cleanup required.

Supported Printers

Gridfinity Builder includes presets for popular 3D printers:
  • Bambu Lab: A1, A1 Mini, P1S, X1C, X1E, H2D (6×6 grid, 252×252mm)
  • 19” Server Rack: 10×8 grid (420×336mm)
  • Custom: Any size baseplate
All exported files work with any FDM 3D printer and slicer software.

Live Demo

Try Gridfinity Builder now: https://gridfinity.securedev.codes/

Getting Started

Quickstart

Start designing your first layout in minutes

Installation

Run locally or install as a Progressive Web App

Open Source

Gridfinity Builder is open source. Contribute on GitHub.

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