Articles
Guides, festival reports, and behind-the-scenes stories from the world of LED installations and live visuals.

August 29, 2026
Write your own effects in WGSL
A custom Filament effect is one WGSL file, written in a built-in editor with live preview - no build step, and a broken shader never takes the show down.
custom-effects · wgsl · creative-coding

August 28, 2026
How to LED map with Filament: from a fresh install to video on your strips
The whole path, start to finish: install the app, draw your strips over a photo, route them to your controller, and play video onto real pixels.
tutorial · led-mapping · wled

August 21, 2026
Make your LEDs listen
Kick, hats, vocals, or the whole spectrum - almost any knob in Filament can follow your live audio, with attack and release shaping.
audio-reactive · tutorial

August 18, 2026
Designed for the bad night
Crash snapshots after every edit and outputs that fail to a state you chose - the parts of Filament you'll hopefully never see, listed anyway.
live-performance · reliability

August 14, 2026
A cheap & waterproof 12 amp WLED controller box
The parts list, the wiring, and the WLED settings for a pixel controller box.
hardware · wled · behind-the-scenes

August 3, 2026
Lock your lights to the DJ
Ableton Link, Pioneer Pro DJ Link, MIDI clock, or a tap - pick the clock once, and everything in the rig lands on the beat.
tempo-sync · live-performance · midi

July 28, 2026
Kosmos Festival 2026 Spacetime Stage build report
Five laser cut plywood crystals, 7,000+ WS2811 pixels, two stacked 8.5K projectors, three nights in a Finnish forest.
festival-report · behind-the-scenes