References / Rooms & interiors
Corridor with doors
A 3 m wide corridor with doors at 4, 6, 9, 12 and 16 m, straight on at 35 mm.
Open in the 1-Point Perspective GridDownload PNGLesson: How to Draw Perspective: Basics in One Lesson (Live Grids)
What to look at
Equal door heights shrink in proportion to distance: the door at 16 m is a quarter the height of the door at 4 m.
The floor squares give the depth of each door without measuring.
Eye level at 1.6 m cuts every door at the same relative height, the surest sign the drawing is level.
The camera
| Lens | 35 mm on full frame |
| Camera height | 1.6 m above the floor (standing) |
| Rotation | square to the scene (one-point) |
| Tilt | level (verticals stay vertical) |
| Objects | box 0.1 × 0.9 × 2.1 m · box 0.1 × 0.9 × 2.1 m · box 0.1 × 0.9 × 2.1 m · box 0.1 × 0.9 × 2.1 m · box 0.1 × 0.9 × 2.1 m |
| Floor | 1 m squares |
Open the reference in the tool to move the camera, change the lens, or add your own objects at real sizes; the share link keeps your version. Draw over the PNG at 30–50% opacity in any app with layers.