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ProcessDATE 02 SEP 2026READ 5 min

Why we still build models at 1:50

A model is slow, expensive and impossible to email. It is also the only drawing a client reads without help.

FIG. 01 — Courtyard No. 9, SECTION A–A1:50

Author
Elias Brandt
Published
02 SEP 2026
Category
Process
Project
Courtyard No. 9

We are asked, fairly often, why a studio with good computers still begins every project with a soft pencil and a roll of thin paper. The honest answer is speed. A line on paper costs nothing, so you draw fifty of them, and the forty-nine wrong ones teach you what the right one has to do.

A sentence can leave things out. “The living room opens to the garden” sounds finished. Draw it and you have to decide how wide the opening is, what holds up the wall above it, where the step goes and which way the door swings. The drawing asks every question the sentence avoided.

The section comes first

Most people start with a plan, because a plan looks like a map and maps are familiar. We start with the section. It shows the things that make a room feel the way it does: how high the ceiling is, where the light enters, how the floor meets the ground outside.

On Courtyard No. 9 the first drawing that survived was a section about the width of a hand. It showed one roof, one window and one person. Everything that came later was an argument with that sketch, and the building that stands in Copenhagen is still recognisably it.

“A line on paper costs nothing, so you draw fifty of them. The forty-nine wrong ones teach you what the right one has to do.”

Elias Brandt, Architect, model shop

What a drawing has to carry

A working drawing is an instruction to someone you may never meet. It has to survive being photocopied, folded, rained on and read at arm's length on a scaffold. That is why the conventions matter:

  • What is cut is drawn heavy; what is seen beyond is drawn light.
  • Dimensions run in chains, so nobody has to add up on site.
  • Every grid line has a name, and every sheet uses the same ones.
  • Levels are given from one datum, written on the drawing.
ABCDE123TERRACEBEDROOM 0123.0 M²LIVING25.9 M²STUDY17.3 M²KITCHEN25.9 M²BATH17.3 M²BEDROOM 0220.2 M²HALL20.2 M²AAGROUND FLOOR PLAN1:500125 MN4 8005 4003 6004 20018 0004 8004 8009 600
FIG. 02 — Courtyard No. 9, ground floor plan1:50

None of this is nostalgia. The same plan lives in a model on a server, and the contractor builds from that. But the model is where a decision is recorded. The pencil drawing is where it gets made.

On site

The test of a drawing is whether the building can be read the same way. Stand in the finished room with the section in your hand and you should be able to find the line you drew.

IMG. 01 — the same view, built2022

When that works, nobody notices. They just say the room feels right. We take that as the drawing doing its job.

Written by

Elias Brandt

Architect, model shop

Copenhagen

Elias runs the model shop and builds the 1:50 models that every project is tested on. He also leads competition entries.

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