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Show HN: Splice – CAD for Cable Harnesses and Electrical Assemblies
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 configurator to add A2, A3, or A4 pages for engineering drawing downloads
- WireViz YAML export (generate WireViz diagrams directly: https://www.danielrojas.net/projects/wireviz https://www.danielrojas.net/projects/wireviz)
Library and Component Additions
- Expanded beyond harnesses to include categories for more applications: connectors, cables, breakers, fuses, switches, motors, power supplies
- Magic MPN button in the Component Creator to auto-fill specs from part numbers
Try it out, no signup: https://splice-cad.com/#/harness https://splice-cad.com/#/harness
Docs & tutorials: https://splice-cad.com/#/tutorial https://splice-cad.com/#/tutorial
- djsdjs 1y ago:( I bungled the tutorial URL: https://splice-cad.com/#/tutorial https://splice-cad.com/#/tutorial
- nickpinkston 1y agoThis looks great and well designed. If you want a bigger parts library, let us know at Volition: https://govolition.com/ https://govolition.com/ nick@govolition.com
- djsdjs 1y agoThanks Nick - I'm a fan of your site. Email coming your way.
- LoganDark 1y agoMinor annoyance: Scrolling this webpage on iOS, when I reach certain scroll positions, videos randomly open in fullscreen even if I didn't tap on anything.
- sschmitt 1y agoCan it document modular synthesizer patch configurations?
- djsdjs 1y agoInteresting application - not sure the visualization currently lends itself well to that. My first approach would be to make the modules components and then arrange them to mimic the actual appearance. We don't currently have text on the component creator so labeling may be tough. I'll put something together with the current features and share here.
- chrisdalke 1y agoThis is awesome. What’s your plan for pricing? In my opinion: you should bundle this as an offline electron app that can save to the filesystem and get integrated into existing PLM. and/or sell a team plan that offers cloud design & library sync … and partner with that YC company doing wire harness machines for a “buy now” button
- synack 1y agoCould work well as an Onshape App.
- djsdjs 1y agoThanks Chris! I intend to keep the current functionality (50 harness/assembly designs per account) free. A collaboration feature is coming soon that will allow creating teams and sharing harnesses with specific accounts - we may charge here at some tier but this is TBD. I was unaware of the YC company (https://www.loombotic.com/ https://www.loombotic.com/ I think) - thanks for pointing me to it.
- hulitu 1y ago> Show HN: Splice – CAD for Cable Harnesses and Electrical Assemblies Download ?
- djsdjs 1y agoHi - Download as in run the app locally or download a design? If the former, that's not currently possible. If the latter, you can use the Download button on the harness builder (top floating button menu) to choose an available format for an engineering drawing, diagram, or BOM or choose JSON or WireVIZ YAML; see the Export and Documentation section here: https://splice-cad.com/#/tutorial https://splice-cad.com/#/tutorial
- krekr 1y agoFuck yes
- phrotoma 1y agoI don't understand what I'm looking at ... Does this let you build like arbitrary wire bundles and then choose your own end pieces like the ones on an ATX power supply?
- skyzouwdev 1y ago[dead]
- ss48 1y agoIt's a very well-designed tool. Great job. Is there a way to add our own internal part numbers corresponding to manufacture's part number? Can individual wires have different wire lengths? Are there any features if when used won't render properly in wireviz?
- djsdjs 1y agoThanks! For internal part numbers, are you wanting to assign internal part numbers for components (like connectors, etc.) used in an assembly or an internal part number to the assembly itself? An internal part number for the assembly is coming soon, but the internal part numbers for individual components is not something that's planned right now. Currently, all wires in a bundle (all wires between the same two connectors are part of a bundle) are forced to have the same length. Do you want to override that? The connector graphics are not currently exported to WireViz YAML, so you'd have to re-link them manually with your own image file. The ability to download a zip with the graphics included is in the works.
- fastbones 1y agoAbsolutely amazing, could've definitely used this a few years ago. Also, definitely pitching in to add that an offline application would be good!