Accessories Add-On

With the help of this ARCHICAD Add-On, you can supplement the roof, slab, and wall elements with special objects. Make sure you add the Accessories Library to your project, using Library Manager, then choose the appropriate command from the Design > Design Extras > Accessories hierarchical menu.

For example with Roof Accessories this command allows you to model metal sheets or tiling using the Roof Surfacer Settings Panel.

Read More here;

https://community.graphisoft.com/t5/Design-articles/Accessories-Add-On/ta-p/303775

Download ARCHICAD Goodies on https://www.graphisoft.com/downloads/goodies/.