Layers & line types.
A drawing is built in layers, like tracing paper stacked up. Toggle each one below to see what it adds — then answer three quick questions on layers and line types to earn your stamp.
Toggle the layers above to see how a drawing is built up. Then answer these:
1. What is the point of putting a drawing on layers?
Why: Layers group related elements — walls, services, text — so you can switch them on and off and keep a busy drawing readable.
2. On a plan, a dashed line usually shows…
Why: Dashed lines show things you can’t directly see — hidden or below the level you’re looking at, like that pipe under the floor.
3. Why keep text and dimensions on their own layer?
Why: Putting annotation on its own layer means you can turn it off to check the geometry, then back on — keeping everything tidy.
Got the hang of it?
Answer the three questions, then mark this complete to add the stamp to your punchcard. Layers and line types are the grammar of a drawing — get them and you can read almost anything.
Check your answers to unlock. Done — you’re good to go.