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MIDI orchestration tools built by working composers, for working composers.

No telemetry. No tracking. Your sessions stay yours.

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filamentdocs

Getting Started

  • Introduction
  • Installation
  • Core Concepts
  • Signal Flow

Core Features

  • Keyswitches
  • Voice Layers
  • Chord Revoicing
  • Grid Inputs
  • Routing Matrix
  • Output Rows
  • Latch Mode

Modules

  • Phrase Arpeggiator
  • MIDI Clip Launcher
  • Smart Modifier
  • Articulation Trigger

Mixer & Presets

  • Mixer
  • Macros
  • The Preset System

Reference

  • Global Settings
  • Parameter Reference
  • Glossary
  • Troubleshooting
  • Requirements

DAW Setup

  • Logic Pro
  • Cubase
  • Reaper
  • Ableton Live
By the Forma Labs teamUpdated March 2026

filament is an AU/VST3 plugin that hosts up to 64 AU and VST3 instruments internally. Available for macOS (AU, VST3, Standalone) and Windows (VST3, Standalone).

System Requirements

macOS

  • •macOS 13 (Ventura) or later
  • •AU, VST3, or Standalone

Windows

  • •Windows 11 (64-bit) or later
  • •VST3 or Standalone

Download & Install

After purchasing, you'll receive a download link via email. The installer includes AU, VST3, and Standalone formats.

Purchase filament

First Launch

  1. 1Open the plugin in your DAW or launch the standalone application. No additional MIDI setup is required.
  2. 2Click the instrument slot on an output row to load a plugin. You'll browse directly from your plugin folders—selected plugins are added for quick access later.
  3. 3In the routing matrix, connect an input voice to the output row where you loaded your instrument. Play your MIDI keyboard to hear sound.

Installation Locations

macOS

  • AU: /Library/Audio/Plug-Ins/Components/
  • VST3: /Library/Audio/Plug-Ins/VST3/

Windows

  • VST3: C:\Program Files\Common Files\VST3\
  • App: C:\Program Files\Formalabs\filament\

Troubleshooting

Plugin not appearing in DAW

Try rescanning your plugin folders in your DAW preferences. On macOS, ensure the plugin isn't blocked in System Settings → Privacy & Security. On Windows, ensure Visual C++ 2015-2022 Redistributable is installed.

Next Steps

Core Concepts

Understand keyswitches, orchestrations, and banks

Signal Flow

See how MIDI flows through the plugin