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Add a Room Beside an Existing One — RoomSketch3D

Tap Add Room, tap the outside wall, drag the corners with live measurements and snapping, tap Done — the shared wall becomes interior and the room is named automatically.

1 minUpdated 2026-09-17
Read the full step-by-step guide

What this video covers

  1. 1Choose Add Room
  2. 2Tap the outside wall it sits against
  3. 3Size it by dragging the corners
  4. 4Tap Done
  5. 5The overlap guard
  6. 6Or type the depth in the shape editor

Prefer to read along? See the full written walkthrough with screenshots.

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