SignalForm: Fully 3D-Printed Open-Source Hi-Fi Speakers

Published on January 08, 2026 | Translated from Spanish
Functional prototype of SignalForm 3D printed speaker with blue and black filaments, showing its open internal structure and visible electronic components, placed on a workbench next to a working 3D printer.

SignalForm: Open-Source Hi-Fi Speakers Fully 3D Printed

An independent creator has revolutionized the world of home audio with the launch of SignalForm, a Hi-Fi speaker system completely manufactured using 3D printing that stands out for its open and accessible design philosophy for everyone 🎵.

Technical Innovation in Acoustic Design

The project integrates advanced digital manufacturing techniques with traditional acoustic principles, allowing any enthusiast with access to a 3D printer to build their own high-fidelity system without making significant financial investments 💡.

Key Technical Features:
  • Acoustic enclosures optimized through advanced simulations using common PLA/PETG materials
  • Selected full-range drivers offering frequency response from 60Hz to 20kHz
  • 86dB sensitivity with harmonic distortion below 1% at normal listening levels
"The philosophy behind SignalForm prioritizes customization and collective knowledge, where every user can adapt the designs to their specific needs"

Community and Open-Source Philosophy

Distributed under a Creative Commons license, the project includes all STL files, assembly plans, and technical documentation available for free, fostering an active community of collaboration and continuous improvement 🤝.

Resources Available to the Community:
  • Complete calibration guide with frequency response measurements
  • Professional tips for professional-quality surface finishes
  • Community-developed variants with different diffuser geometries

Versatility and Practical Applications

The modular structure of SignalForm allows configurations ranging from compact desktop monitors to complete stereo systems, always maintaining the phase coherence and sound quality that characterizes the project. The most active users have already developed systems with passive radiators that demonstrate the extraordinary versatility of the base design when combined with collective creativity 🔊.