Dampflok
0113
Brick by brick in the 3D editor. It shows you loose bricks right away.
Steps, parts callouts and the parts list are created for you.
Link, QR code, PDF – or publish it and collect remixes.
Real models from the community – with instructions to build them yourself.
The editor stacks automatically, builds whole rows and warns you when something won’t hold.


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.
Start with the duck in ten minutes, then build your own idea. No account needed.
View examplesPlan large models, export parts lists, build up a collection of your own models.
Explore modelsSet tasks with no accounts for children, no cookies, and instructions as PDF.
Ideas for the classroomTen small models that need only a handful of bricks, each with a rough parts list and one practical tip.
6 min readDimensions, names and uses of the basic parts, from the 8 mm grid to the rule “three plates make one brick”.
7 min readBuild the model in your browser, get step-by-step instructions automatically, print or share – no account.
6 min readlay-a-brick is built and run by one person in Germany. More about lay-a-brick
Start without signing up. You can save and publish later with an account.