Ender's Game: Formic Ship and Architecture
Ender's travels through the destroyed Formic Hive

Ender's travels through the destroyed Formic Hive

Omitted from the film, Ender originally walked past dead formic young, still in their egg cases.

Omitted from the film, Ender originally walked past dead formic young, still in their egg cases.

All formic structures were intended to be 'Grown" from organic epoxy like amber excreted by the formic drones.