Different Instruments PartialString: Free FDTD Physical Modeling Synth Plugin
Different Instruments PartialString is a free FDTD-based physical modeling synthesizer plugin for macOS, Windows, and Linux. The plugin simulates vibrating strings in real time using finite-difference time-domain (FDTD) physics, offering hands-on sound design without complex routing. No registration is required to download, and the license is fully royalty-free for commercial and non-commercial use.
What’s in the box
PartialString is the first public release from Different Instruments to include cross-platform support. The engine models a plucked string by numerically solving the one-dimensional wave equation in real time. You can excite the virtual string at any point, adjust pickup position, and set polyphony up to 10 voices—automatically scaled to your CPU.
Key features include:
- FDTD-based physical modeling for authentic string resonance
- 10-voice polyphony with dynamic CPU scaling
- Cross-platform: VST3, AU, and CLAP on macOS, Windows, and Linux
- Simple interface with resizable GUI planned for a future update
- Royalty-free license included with download
How to get PartialString
Visit the official product page to download the installer for your OS. The download is a single archive containing all supported plugin formats. Unzip, install, and load PartialString in your DAW.
Download Different Instruments PartialString
System requirements
- macOS: 10.15 or later
- Windows: 10 or later, 64-bit
- Linux: tested on Ubuntu 20.04+, 64-bit
- CPU: modern x86-64 or ARM processor recommended for best performance
Who is it for
PartialString suits sound designers chasing organic textures without the overhead of sample libraries. It’s also a solid learning tool for anyone curious about FDTD physics in audio.
Quick Facts: PartialString is a free FDTD physical modeling synth plugin for macOS, Windows, and Linux. No sign-up is required, and the license is royalty-free for all uses.
The plugin is ready to load in your DAW today.