Design Your Wire Harness in the Browser
Wire harness design that's fast, visual, and free to try
What it does
harness.design is a web-based CAD tool for designing wire harnesses, built for home builders, fabricators, race teams, and professional wiring shops. Instead of tables and menus, you work directly on the canvas, dragging, connecting, and arranging interactively. The result is a clean, readable harness design in a fraction of the time. Nothing to install. Just open a browser and start designing.
Does the same job
all alternatives →- SCSplice – CAD for Cable Harnesses and Electrical Assemblies2025 · splice-cad.com · ▲89
I first posted Splice CAD as an in-browser tool for making cable harnesses. Since then it’s grown in both features and scope — the direction is moving from “harness-only” toward a lightweight CAD for wiring and electrical assemblies. New functionality includes: Editing Enhancements - Full undo/redo to easily restore editor state - Multi-select & group actions to move, delete, and add components - Bulk connect tool to create straight-through, crossover, or custom wiring patterns quickly - Multiple connections per pin allow for daisy chains, etc. Documentation Additions - Multi-page PDF…
- ACAI CAD HarnessMay 2026 · fusion.adam.new · ▲101
Hi HN, I'm Zach, one of the co-founders of Adam (https://adam.new). We've been on HN twice before with text-to-CAD/3D experiments [1][2]. The honest takeaway from those threads: prompt-to-3D model web apps are fun, but serious mechanical engineers don't want a black box that spits out an STL. They want help inside the CAD tool they already use, with full visibility and control over the feature tree. So we built that. Adam is now a harness that integrates directly with your CAD. It reads your parts, understands the existing feature tree, and edits it for you agentically. We are…
- WEWired-elements – UI web components with a hand drawn, sketchy look2018 · wiredjs.com · ▲650
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