Descriptive Geometry · Module 6

Polyhedra

Prisms, pyramids and visibility

Projecting solids and determining edge visibility.

  • 2 lessons
  • ~24 min
  • 2 interactive constructions

Lessons

Every lesson stands on an interactive construction – turn it, move the points, then build it yourself.

  1. 1

    Lesson 1High school~12 minContinue here

    Prism

    Build a prism from your own points and watch which edges are visible and which are dashed.

  2. 2

    Lesson 2High school~12 min

    Pyramid

    Construct both views of a pyramid step by step – the apex falls inside the base in plan and sets the height in the front view.