How do I create this FRP/Glassfiber Composites as a material?

[Darkforce_the_ilogic_guy]

how do I create a material like this one. that dont have the same strength in x , y, z? hope you can help with add the right material spec.   should I just copy an inventor wood material.  or how does i do this?

[Michael.Navara]

In material editor (tested in 2025) you can set Physical->Behavior to Orthotropic and you can define different values for different directions.