Ptolemaica - The animated Ptolemaic system of the universe
Codesignprojects - Blends, setups, coffee The Ptolemaic system of the universe with the spherical Earth in the center. Complete with the crystal sphere, blinking stars, the day-night Earth cycle and axis tilt.
A simple implementation of the geocentric model.
Video demo here, here and here !
Two versions:
1. THE VERTICAL DOME
Illustrating the rotation of the system from a top view. The spheres are cyclically shifting up and down, illustrating the orbital tilt. Animated in Geometry Nodes.
2. THE ROTATING SPHERES
The spheres are rotating in multiple axis, emphasizing the "orb-nature" of the universal structure.
Enjoy ! Happy Blending !
NOTE - The detailed Ptolemaic model has specific orbital cycle parameters and epicycles defined. This setup is an illustration, not following those parameters exactly.
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The Blend file