Corona 1.7

Archived: max 2014 Corona FBX folder with textures.

Pergola dimensions:
Width: 8300 mm;
Depth: 3300 mm;
Height: 3000 mm.

The branches are not merged into one mesh you can remove or grow if necessary.

On the trunk applied displasement map in the material.

In the materials in the BRDF section is Microfaset GTR (GGX) if your version is older than 3.1 then choose Blinn Phong or Ward – which is preferable to you.