Quinn House

Trompe l'oeil is an engineering problem before it is a painting problem. The illusion is not made by the landscape; it is made by the sill, the reveal, the depth of the frame and — above everything else — by getting the shadows to agree with the light already in the room.

The window here is built to the same light as the space it sits in. Shadow falls on the correct side of the frame, the reveal darkens as it turns away from the source, and the painted sill casts onto the painted wall at the angle the real windows nearby are casting. Get any of those wrong and no amount of skill in the view beyond will rescue it.

The view itself is a Mediterranean coastline with a caryatid at the left jamb, cypress and a ruined amphitheatre stepping down towards a beach. It is composed for the eye level of someone standing in the room: the horizon sits where a real horizon would sit through an opening at that height, which is why the picture holds when you walk towards it instead of collapsing.

The last touch is the smallest one. A glass vase of lilies stands on the sill, with two fallen blossoms beside it. Those two blossoms are the whole trick — an object that has apparently moved makes the surface feel like a place rather than an image, and they are what people reach out to touch.