Title: References and further reading
Course: EN_Geometrical shapes and 3-D basics

References:

https://en.wikipedia.org/wiki/Shape
https://de.wikipedia.org/wiki/Perspektive
https://99designs.de/blog/design-tipps/bedeutung-von-formen/
https://www.creatopy.com/blog/geometric-shapes/ (incl. Psychology of shapes)
https://en.wikipedia.org/wiki/Two-dimensional_Euclidean_space
https://en.wikipedia.org/wiki/Three-dimensional_space
https://en.wikipedia.org/wiki/Computer_graphics
https://en.wikipedia.org/wiki/Dimension#In_computer_graphics_and_spatial_data
https://de.wikipedia.org/wiki/Grafisches_Primitiv
3D
https://de.wikipedia.org/wiki/3D
https://en.wikipedia.org/wiki/Solid_geometry#Solid_figures
https://commons.wikimedia.org/wiki/Category:Solid_geometry
https://en.wikipedia.org/wiki/Three-dimensional_space
https://en.wikipedia.org/wiki/List_of_mathematical_shapes#Surfaces_in_3-space
https://en.wikipedia.org/wiki/3D_computer_graphics
Work with clay
https://de.wikipedia.org/wiki/T%C3%B6pferei
https://www.anleitung-zum-toepfern.de/uebersicht-dekotechniken-beim-toepfern/