Altrio

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Non-Astronist Astronic architecture
	Archaeoastronic architecture; (Before c.3300 BCE) Palaeoastronic architecture; (c.3300 BCE – 300 AD) Classical Astronic architecture; (300 – 1800 AD) Modern Astronic architecture; (1800 – 2013 AD) Post-Astronist Astronic architecture; (2013 - );
Astronist architecture
	Cometan;
Millettarian architecture
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This article is about a non-fiction entity related to the Astronist belief system or the Astronic tradition.
Any article relating to a fictional entity will be clearly marked as being part of the Spacefaring World.

[3:8:17] Altrio, in Millettarian Architecture, is a type of archcrown featuring three crowns instead of just one.