Section
Screen Mapping
LED walls, projection and pixel-accurate canvases.
17 September 2026
Corner pin or mesh warp? Let the surface decide
A four-corner pin is a perspective fix. A mesh warp is a shape fix. Reach for the second on a flat wall and you…
6 August 2026
Multi-screen playback from one Mac: the honest limits
The spec sheet says four displays. The spec sheet is describing a desktop, not a show, and the difference shows up around ninety minutes…
28 May 2026
DeckLink output from a Mac: the parts that bite
SDI is refreshingly binary: either the switcher locks to your signal or it does not. When it does not, it is nearly always one…
16 April 2026
What an LED processor actually wants from your Mac
The processor does not care about your beautiful canvas. It cares about a resolution it recognises, a frame rate that matches the panels, and…
2 April 2026
Projection mapping on a Mac, from an empty room
Most mapping tutorials start with content. Start with the surface instead, and the content problem gets much smaller.
5 February 2026
You’ve Got the Content. Now What? The LED Wall Mapping Problem Nobody Talks About.
Nobody compliments the pixel mapping. They compliment the content, which only looked good because the mapping was right. Here is the problem, and what…