lay-a-bricklay-a-brick

Free in your browser · Deutsch, English, Français, Español

Plan it. Build it. Share it.

Build your brick model in the browser, get the instructions automatically – and show it to the world. No account, no download, no ads.

Start buildingExplore models

  • 29 parts, 26 colors
  • Instructions as PDF
  • 4 languages
Half-built garden shed made of building bricks in the 3D editor, the next brick is outlined

Three steps from pile to model.

  1. 1

    Build

    Brick by brick in the 3D editor. It shows you loose bricks right away.

  2. 2

    Instructions

    Steps, parts callouts and the parts list are created for you.

  3. 3

    Share

    Link, QR code, PDF – or publish it and collect remixes.

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Real models from the community – with instructions to build them yourself.

All 16 models

Challenge of the week

Lighthouse

No more than 60 bricks.

7 days left · 0 entries

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Build just like you do with real bricks.

The editor stacks automatically, builds whole rows and warns you when something won’t hold.

  • Click to place, drag to build a row, R to rotate
  • Hide layers and check from the bottom up
  • Warnings for bricks that are floating
  • Unlimited undo, autosave in the browser
  • Runs on PC and tablet, even with thousands of bricks

Open the editor More about the editor

The lay-a-brick editor with parts palette, 3D view and parts list
Cover page and step page of automatically generated building instructions

Ready to print, with no layout work for you.

Steps in a sensible order, parts per step, a position guide and a parts list for ordering. As a PDF or step by step on your phone.

View example instructions

For families, builders and classrooms.

  • Families

    Start with the duck in ten minutes, then build your own idea. No account needed.

    View examples
  • Hobby builders

    Plan large models, export parts lists, build up a collection of your own models.

    Explore models
  • Schools

    Set tasks with no accounts for children, no cookies, and instructions as PDF.

    Ideas for the classroom
  • No ads
  • No tracking cookies
  • No account needed
  • Independent of any manufacturer

lay-a-brick is built and run by one person in Germany. More about lay-a-brick

Your first brick is down in ten seconds.

Start without signing up. You can save and publish later with an account.

Start building