How much of Gaea 1 or Gaea 2 knowledge applies to Gaea 3?

Gaea 3 will introduce many new tools and facilities for making terrains, however the core workflow remains the same. If you have experience with any previous version of Gaea, you will be able to familiarize yourself with the new tools very quickly.

If you are new to Gaea completely, you will find the user experience to be easy and straightforward. Most tutorials and learning material available for Gaea 2 will apply to Gaea 3.