BACKDRAFTINGSMALL DETAILS. BETTER DRAWINGS.

Free fire alarm & CAD
drafting tools.

No installation. No subscription. Just open your browser and create.

Build a fire alarm matrix or custom AutoCAD linetype, preview your work, and export it for your project.

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Fire Alarm Matrix Builder

Build and customize your fire alarm sequence-of-operations matrix, then export a DXF with editable lines and text for use in CAD.

DXF FOR CAD · PRINT / PDF · PROJECT FILES
Open Matrix Builder →
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AutoCAD Linetype Creator

Set your text, adjust size and spacing, and see the pattern before downloading a custom linetype.

LIVE PREVIEW · LIN EXPORT · LOADING GUIDE
Open Linetype Creator →