In 2016, Autodesk began phasing out the 123D suite. The company shifted its strategy from disparate free apps to a unified platform: .
By 2018, the original 123D Circuits website (circuits.io) was redirected to Tinkercad. Existing user projects were migrated, but many advanced features were gone. The community mourned—the "pro-sumer" sweet spot was lost. autodesk 123d circuits
As the maker market matured, Autodesk realized they had two overlapping products: In 2016, Autodesk began phasing out the 123D suite