Affordable In-house Modular Planetarium

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 


Date Filed: 


Patent Category: 


A Small affordable and modular planetarium build using plywood, PVC pipes and cloth which uses a spherical mirror projection system.

Key Features: 

  • A low cost modular structure, made up of PVC pipes (struts] and pyramidal plywood hubs which act like connectors.
  • Did not involve any industrial process.
  • Uses a single spherical mirror LCD projection system (to cover the entire dome) and a cotton cloth for the screen.


  • As an educational tool to simulate the night sky in a backyard planetarium.
  • As a simulator for training purposes for simulating different geographical terrains.
  • For entertainment: to create a 3D immersive and interactive environment/ gaming (using motion sensing devices).

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