Using Blender's grease pencil for 3d architecture

The addition of new tools in software such as Blender always have some purpose, and character animation is one of the most common goals among tool descriptions. For example, when the feature called Grease Pencil for Blender was released , still in 2.4x versions, the goal was to provide a way to draw and annotate animations, allowing teams to exchange information directly in the Blender file. The purpose and description could even be directed to character animation, but a little creativity is enough for artists to find other purposes for the tool. Have you thought about using Blender's grease pencil to help with urban planning or the development of architectural projects? A French artist thought of this, and produced two video tutorials that show the direct application of grease pencil in the development of urban landscapes and even architecture . The videos add almost 40 minutes of tutorial, an...