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.
Room · Interior · 25 KB · starter pack
Credit: Modern Rooms by ankitrajput8161 on CGTrader — https://www.cgtrader.com/designers/ankitrajput8161?utm_source=credit&utm_source=credit_item_page
Room · Interior · 136 KB · starter pack
Credit: Witches House By 7ka — https://www.cgtrader.com/designers/7ka?utm_source=credit&utm_source=credit_item_page
Room · Interior · 44 KB · starter pack
Credit: Modern Rooms by ankitrajput8161 on CGTrader — https://www.cgtrader.com/designers/ankitrajput8161?utm_source=credit&utm_source=credit_item_page
Room · Interior · 12 KB · starter pack
Credit: Modern Rooms by ankitrajput8161 on CGTrader — https://www.cgtrader.com/designers/ankitrajput8161?utm_source=credit&utm_source=credit_item_page
Room · Interior · 40 KB · starter pack
Credit: Modern Rooms by ankitrajput8161 on CGTrader — https://www.cgtrader.com/designers/ankitrajput8161?utm_source=credit&utm_source=credit_item_page
Object · Art · 12 KB · 966 triangles · starter pack
Credit: CC BY 4.0 — https://sketchfab.com/Brynnnnn — https://sketchfab.com/3d-models/low-poly-isometric-rooms-d53af0ad289a403598ee2cb41d84608b
Object · Decor · 11 KB · 20 triangles · starter pack
Credit: Created by mnostva at CGTrader — https://www.cgtrader.com/designers/mnostva
Object · Architecture · 2 KB · 12 triangles · starter pack
Credit: Modern Rooms by ankitrajput8161 on CGTrader — https://www.cgtrader.com/designers/ankitrajput8161?utm_source=credit&utm_source=credit_item_page
Object · Decor · 6 KB · 44 triangles · starter pack
Credit: CC BY 4.0 — https://sketchfab.com/Brynnnnn — https://sketchfab.com/3d-models/low-poly-isometric-rooms-d53af0ad289a403598ee2cb41d84608b