Karl Lengfeld — studio for sound, image and software

Karl Lengfeld runs lengfeld+, an open studio for sound, image and software.
He builds instruments and tools, some to buy, some free to keep, and opens the + to other makers.

shop see the studio

featured

ASCIIMATTER

Live ASCII motion graphics, built and exported entirely in the browser. A generative tool that turns 3D, text and fields into animated ASCII you can export.

read about ASCIIMATTER →

latest

Shop all products →

Coming soon

MODBOY

€20

A Game Boy rebuilt to be performed, not reproduced, inside Max for Live: bend the live chip until the picture and sound break together, recall it cold, take after take, or split any game into live stems. nothing destroyed.

selected projects

All studio projects →

external

Strange Projectors 478

2026

A short looping video from Brandon Eversole's Public Memory. He keeps authorship of the work; the studio wrote the score.

The studio

lengfeld+

studio

the studio for the projects, the music and the software. the work gets made here from scratch, end to end, and kept independent. the + is what he opens to other makers: a record label on the way, and room for anyone whose work crosses sound, software and image.