so tinkercad has circuit designand arduno now, a real arduino is $20, IDE is free, fritzing is free and does all the exact same layout stuff locally, you save your files and keep them forever.

Think 3-D printing requires specialized software and an MFA? Think again. Tinkercad, the brainchild of former Google engineer Kai Backman, is making 3-D design something anyone can do. Unlike ...