Rooms and objects you can put straight into a portfolio, shared by the people who made them. Open the builder, click Files, then Library to add any of these.
Object · Art · 11 KB · 17 triangles · starter pack
Credit: Created by mnostva at CGTrader — https://www.cgtrader.com/designers/mnostva
Object · Containers · 74 KB · 7,688 triangles · starter pack
Credit: Witches House By 7ka — https://www.cgtrader.com/designers/7ka?utm_source=credit&utm_source=credit_item_page