# 3D Modelling/Projective Geometry

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## Introduction[edit | edit source]

In this learning module about productive geometry we consider a special application of projections in mathematics, that project a three-dimensional space onto a two dimensional plane. A snapshot with a camera is such a projection, that maps vectors in a three-dimensional space onto the image as a two-dimensional space .

## Learning Task[edit | edit source]

**(Art)**Explore, when art discovered a geometrical approach to create paintings that respect construct geometrically the size of objects that appear to smaller on the canvas, if they a far away (see also Perspective Drawing on Mirror).**(Perspective Drawing)**Perform the small course of creating a perspective drawing of a box as a projection of the 3D object on a mirror.**(Mathematics)**Explore the concept of Projective Geometry in general. How does projective geometry generalize the approach of creating a two-dimensional image of objects in the three-dimensional space.