# Shape a room's ceiling

Give a room a sloped or hipped ceiling for a loft, the eaves or a dormer, without a roof. The walls follow it.

The room's space, an envelope, gives the ceiling its shape: you do not need a roof or a house.

![A loft room in 3D: the ceiling is flat, then slopes down to a 1200 mm wall on the right. The front wall follows the slope.](/docs/img/how-to/rooms-ceiling-slope.jpg)

## Slope the ceiling down to one wall

1. Click the room in the **Model** panel.
2. In **Properties**, at **Ceiling**, click **Ceiling shape…**.
3. Keep **Profile**, and keep **Drawn on** at **front**.
4. In **Profile points**, type the corners of the end wall as `x,z` points.
5. Click **Apply**.

x is across from the left wall and z is up, from the inside corner at the floor. The dialog starts with the sizes of your room and a 45° slope down to a 1200 mm wall on the right. For a room 3000 mm wide and 2400 mm high, that is `0,0; 3000,0; 3000,1200; 1800,2400; 0,2400`. Keep the **Depth** at the length of the room, because the space must fill the room.

![The Ceiling shape dialog: a front profile, flat then sloped, as deep as the room.](/docs/img/how-to/rooms-ceiling-dialog.jpg)

![Inside the loft: the ceiling slopes down to the low wall over a bookcase.](/docs/img/how-to/rooms-ceiling-inside.jpg)

If the ceiling slopes down to the back wall, set **Drawn on** to **side**. Then type the side wall as `y,z` points, with y back from the front wall.

## Make a hipped ceiling

A hipped ceiling slopes down to all four walls.

1. Click **Ceiling shape…**, then click **Hull**.
2. In **Points**, type the corners of the space as `x,y,z` points.
3. Click **Apply**.

Give the corners of the floor, the top of each low wall and the corners of the flat ceiling. The dialog starts with 1200 mm walls on all four sides and 45° slopes up from them.

![A hipped ceiling in 3D: each wall is 1200 mm high, and the ceiling slopes up from all four.](/docs/img/how-to/rooms-ceiling-hip.jpg)

## Furniture under the ceiling

In the room, the space is the assistant's boundary, unless you clear **The assistant's boundary**. The assistant keeps what it builds under the ceiling. A part that you put through the ceiling gets a warning in the status bar.

To make the ceiling flat again, delete the space. It is in the room in the **Model** panel, for example **Loft space**. If you move a wall, the space stretches with the room, so its slopes change.

Next: [Fit a wardrobe under a sloped ceiling](/docs/how-to/furniture/fit-a-wardrobe-under-a-sloped-ceiling/).