Question

additive manufacturing and filament
in what situation would you use a gyroid or concentric pattern infill?
general use and everyday type of prints
a print needed for industrial use
these are appropriate for any type of use.
for a flexible print

Explanation:

Gyroid and concentric patterns are often used for flexible prints as they can provide flexibility while maintaining some structural integrity compared to other infill patterns. General - use and everyday prints usually use simpler and more common infill patterns. Industrial - use prints may require different infill patterns based on specific mechanical requirements. These patterns are not appropriate for all types of use.

Answer:

for a flexible print