123d Circuits

For anyone who has ever stared at a tangle of jumper wires and felt a mix of excitement and confusion, the name likely rings a bell. Originally part of the Autodesk 123D suite, this tool revolutionized how hobbyists, students, and engineers approached electronics design.

They decided to (adding cloud sync, 3D viewing, and a simplified UI mode) and later into Fusion 360 as the “Electronics Workspace.” The standalone 123D Circuits was officially deprecated around 2018–2019. Existing projects can still be accessed via Fusion 360’s import tool, but you cannot create new ones in the old interface. 123d circuits

123D Circuits was an admirable, ahead-of-its-time attempt to democratize PCB design. It lowered the barrier to entry and taught thousands of makers how to go from blinking an LED in a simulation to holding their own fabricated board. But in 2026, it is a ghost town – a museum piece you can occasionally glimpse via archived URLs. For new projects, look to its successors. For nostalgia, pour one out for the little browser PCB tool that tried to fly. For anyone who has ever stared at a

Beginners can now use Scratch-like blocks to program Arduinos, making it even more accessible for kids. Existing projects can still be accessed via Fusion

Do you have a specific or a circuit diagram you're trying to build right now?