How to get Trumna Prime Blueprint in Warframe?

Trumna Prime Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Trumna Prime Blueprint

• Lith K12 (Common)
• Meso V15 (Common)
• Neo Y1 (Common)
• Lith Q2 (Common) - Vaulted
• Meso P16 (Common) - Vaulted
• Meso Y1 (Common) - Vaulted
• Neo W2 (Common) - Vaulted
• Axi P9 (Common) - Vaulted