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Falling Sand running on a 32×32 LED panel
32×32 · Baked loopreal render
CreativeBaked loop

Falling Sand

Powder Toy cellular automaton with sand, water, fire, lava, plants, and acid.

Put it on your panel View source

At a glance

OutputBaked loopRendered once into a GIF that the panel loops with its own firmware: perfectly smooth, no Bluetooth traffic.
Settings4every one editable live in the studio, or by an agent with update_app_settings
Sourcesand.pysrc/deskdot/apps/sand.py

Settings

Settings
SettingTypeDefaultOptions / range
Simulation ScenarioscenariochoiceHourglass
HourglassLava VolcanoWaterfall OasisAcid LaboratoryElemental Crucible
Color PalettepalettechoiceVibrant
VibrantRetro 8-BitCyber NeonSoft Pastel
Simulation Speedspeednumber1.00.5 – 2.0
LED Brightnessbrightnessnumber1.00.2 – 1.0

Try it

render a frame to PNG (no panel needed)
$ uv run deskdot preview sand --settings '{"scenario":"volcano"}' --out sand.png
show it on your panel (engine running)
$ curl -X POST http://127.0.0.1:8765/api/apps/sand/activate

Or ask your agent: “Show Falling Sand on my panel”. It calls show_app with "sand". New here? Set up DeskDot first.

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