You do not need a constant internet connection to design.
SketchUp Make 2017 offers a robust set of tools that are surprisingly capable even by modern standards: Free Version - SketchUp - SketchUp Community sketchup 2017 free version
Use powerful plugins from the Extension Warehouse to automate complex tasks, a feature strictly reserved for paid versions today. You do not need a constant internet connection to design
remains a legendary name in the 3D modeling community because it is the final free, standalone desktop version of SketchUp ever released. While the software has since moved to a web-based "SketchUp Free" model and a subscription-based "Pro" desktop suite, many hobbyists and woodworkers still seek out the 2017 version for its offline capabilities and extension support. The Legacy of SketchUp Make 2017 sketchup 2017 free version