Draw a geometry with AutoCAD and download it.
2. Enter the Coohom tool and go to the Construction tool.
3. Import CAD file.
4. Put the geometry on the desired area in 3D plan.
5. Ungroup the geometry.
6. Using the Push/Pull tool, create the thickness.
7. Press on the shift button and click on left on mouse to select all geometry face, then Group.
8. Drag the texture onto Geometry.
9. Then can duplicate more Geometrys
10. That's it. You can render it and see what it looks like.
Please check out the tutorial video as below: