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Halloween house projection ideas (cheap projector)

Published October 8, 2026

Halloween projection is not about covering the house. It is about one thing that moves in the dark, in a place people look. These are the spots that work, in the order we would try them. Brightness figures are ANSI lumens on a pale surface, and they are estimates.

1. Eyes in the hedge (300 and up)

The cheapest scare there is. Black effect, a few pairs of eyes that open, glance and blink out. A hedge, a bush or a dark porch rail takes it well because the leaves break up the picture. Aim from a few meters away and let the beam spill into the dark. Keep the shape loose and a little bigger than the hedge.

2. A window with something behind the curtain (300 and up)

A figure that walks past, a face that leans in, a hand on the glass. You need a translucent layer on the pane and the projector inside. The window guide has the setup, including mirror output.

3. The front door (500 and up)

Something knocks from the other side. A door that creaks open on fog and light. A door is a tall, narrow shape, so use a four-point polygon and look in the Illusions theme, which is made for doors. Put the projector to one side and drag the corners so the picture sits square on the door, not on the frame.

4. A pumpkin with a face (300 and up)

Use a circle shape on a real pumpkin and give it a glowing face. A pale pumpkin works better than an orange one, because pale surfaces show more color. Do three in a row and give each one a different expression. A small projector close by is enough.

5. The garage door (1,000 and up, 2,000 for two cars)

It is the largest flat surface on most houses, and it is usually pale. Think hands pushing from the inside, a swarm of bats, fog over a graveyard. It needs real brightness, so check the numbers in the projector guide. A single garage door is about 2.4 meters (8 feet) wide and a double is about 4.9 meters (16 feet), which is a lot of area. Plan on 1,000 lumens or more for one door and 2,000 or more for two.

6. A fence or low wall with something running past (500 and up)

An animal that crosses from one end to the other is a good use of a long, low shape. Make the shape a wide rectangle, set the effect to cover it, and let people see it from the sidewalk.

7. A tree trunk or a porch column (300 and up)

A face in the bark, or a ghost that circles a column. Use a polygon with more than four points to follow the outline and keep light off the sky behind.

8. The whole house front (3,000 and up)

The dramatic one, and the hardest. You need a projector with 3,000 ANSI lumens or more, and more near a streetlight, plus a dark street and a pale or painted wall. Use one big shape for the wall and smaller shapes for the windows and door, so each gets its own effect. If the projector is not bright enough, do not stretch it. Make the shape smaller.

Placing the projector

• Behind a bush or planter. It hides the gear, and a few meters of throw distance is easy.
• In a window, aimed out. Glass reflects, so keep the lens close to the pane and clean.
• On a ladder or tripod at the edge of the yard, with the cable taped down.

Keep it dry and safe

A cheap projector is not weatherproof. Use it under a porch roof, or in a ventilated plastic bin with a hole for the lens and a cover over the top. Never seal it, because it overheats. Use an outdoor-rated extension cord and keep plugs off the wet ground.

• Tape cables flat or use a cord cover. Trick-or-treaters run and trip.
• Keep paper decorations, fake cobweb and fabric away from the hot exhaust.
• Do not aim at the road. Drivers can be distracted.
• Do not point it into a neighbor’s window.
• Some effects flash. If children or guests might be sensitive to flashing light, pick slow effects.

Make it feel planned

Light only what you chose and turn the porch lamp off. One bright source in a dark yard beats five weak ones. Run the effect for the hours trick-or-treaters walk past, and set a time to switch it off.

New to mapping? Read the beginner’s guide first.