SoundMat (4) Structural Design

Structural design bridges exterior vision and engineering—how to hide sensors, electronics, and LEDs inside an artful shell.

Internal stack (top to bottom)

1. Felt surface
2. Sensor and LED layer
3. Rigid board
4. Board support
5. Cavity

1 Felt surface#

Pure wool felt
or cork sheet

2 Sensor layer#

Velostat + fabric circuit

See SoundMat (5) Sensor Principles and Design

3 Rigid board#

4 Cavity and board support#

We use a bowl-shaped planter as base and cavity; the bottom has a built-in drain hole. Power and audio cables exit through it.

Product: Veradek 24" Lane Round Bowl Planter (2-pack, black)

Dimensions:

(Written April 12, 2026, early morning; updated April 16, 2026)

Next: SoundMat (5) Sensor Principles and Design