The 8.1 version of Autodesk SketchBook for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac application is an intellectual property of Autodesk. Autodesk SketchBook for Mac lies within Design & Photo Tools, more precisely General.
From the developer:
Autodesk SketchBook (was SketchBook Express) is made for everyone who loves to draw and is an essential tool for digital artists of all skill levels. An easy-to-use and customizable interface makes tools easily accessible, so artists always have convenient access to the power and flexibility of a digital tool while maintaining a natural drawing experience. SketchBook is now free to download and use.
You may want to check out more Mac applications, such as SketchBook, SketchBookPro or Autodesk Inventor Fusion, which might be similar to Autodesk SketchBook.
3D Design
3D Design