Also by the same developer, Vertex Tools is free (donation-ware). It allows direct manipulation of vertices, edges, and faces. While it does not "auto-subdivide" like Subd, you can manually create smooth geometry using its "Smooth" and "Relax" brushes. It requires no license key.
A. The primary alternative is Artisan 2 , which offers subdivision surfaces plus sculpting and brush tools on an annual subscription basis. For true parametric subdivision, Blender (free, open‑source) is a powerful option, though it requires learning a completely different interface. Sketchup Subd License Key
The full license for SUbD is currently priced at approximately $40 USD. 3. How to Obtain a Valid License Key Also by the same developer, Vertex Tools is
: If you're a student, educator, or part of a non-profit organization, you might be eligible for special pricing on SketchUp Studio. It requires no license key
Take control of your curves. You can adjust the weight of specific edges to keep them sharp while smoothing the rest of the model.