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TerraPlan

Set a corner angle

Type the exact angle at any corner of a wall run or outline, for bay walls, angled corners and houses that aren't square.

Updated October 25, 2026 · 1 min read · Open TerraPlan

Most corners are 90 degrees, but bay walls, angled entries and older houses aren't. Every corner of a selected wall run shows its angle, and you can type a new one.

Steps

  1. Select the wall run, outline or line. Gray labels appear at each corner with its angle, like 90° or 135°.
  2. Tap the angle you want to change. The number pad opens with the title Corner angle.
  3. Type the angle in degrees, anywhere from 1 to 179, and tap ✓.
Corner angles on a wall run with a 45-degree bay
Corner angles on a wall run with a 45-degree bay

What moves

The side after the corner turns around the corner and keeps its length.

  • On an open run, everything past that corner turns with it and keeps its shape.
  • On a closed outline, only the next corner moves, so the side after it changes to close the shape.

Doors and windows on a side that turns stay at the same spot along that side.

The Corner angle pad
The Corner angle pad

Draw a new wall at an angle

While drawing walls, type the length in Length and the angle in Angle on the bar at the bottom, then press Enter. 0 is to the right, 90 is up, 45 is up and to the right, and 135 is up and to the left.

Which angle does the label show, inside or outside?

It shows the angle between the two sides at that corner, the smaller way round (under 180°). A square corner is 90° and a 45-degree bay corner is 135°.

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