For a simple free drawing software on PC, try Artweaver ... Sketchup is more focused on 3D design rather than general painting and drawing, but is worth considering if that's the main reason ...

If you prefer the best free animation software, then the open-source Blender ... This is a 2D and 3D drawing and animation tool. With it, you can render intricate scenes, sculpt models, and ...

Unfortunately, its 3D tools were never at the level of even the free software Blender ... thanks to compatibility with ...

Design in 3D, document in 2D, collaborate in the cloud ... and interoperability with dozens of CAD software. Designed for AEC and interior design professionals, SketchUp Pro is the most popular ...