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How to Draw a Smoke Detector
Draw a smoke detector in 11 easy steps, about 8 minutes. Free, with a printable worksheet.
Each picture adds one red line. Draw that line, then scroll to the next picture. Rub out any dashed helper lines at the end. First up: the ceiling.
Step 1: The ceiling
Near the top draw a line right across for the ceiling.
Step 2: The disc face
Just under the ceiling draw a big flat oval, twice as wide as tall, for the disc's bottom.
Step 3: Two big eyes
In the middle of the oval draw 2 big egg eyes. Colour a big black dot in each.
Step 4: Smile and cheeks
Under the eyes draw a wide U smile. Add a small flat oval cheek beside each eye.
Step 5: The side band
From the oval's left tip draw a thin rainbow band up to the ceiling and down to the right tip.
Step 6: Vent slots
Along the top of the side band draw 6 short upright slots, spaced out.
Step 7: The light
Near the top right of the oval, away from the face, draw a tiny round light.
Step 8: Sparkles
Below the disc draw 2 little four-point sparkles, one on each side, to make it shine.
Step 9: Pink cheeks, yellow sparkles
Go over your lines, then colour the cheeks pink and the sparkles yellow. Leave the eyes and oval white.
Step 10: Red light
Colour the little light red.
Step 11: Grey band
Colour the side band grey, and your smoke detector is done!

Your finished drawing
Follow the steps above and this is where you end up: a smoke detector, drawn by you.
Every step in one picture
