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 · Decor · 17 KB · 742 triangles · starter pack
Credit: Webuild on CGtrader — https://www.cgtrader.com/designers/webuild?utm_source=credit&utm_source=credit_item_page
Object · 380 KB · 380 triangles · starter pack
Credit: crazyshroomz + SantyFrow (Roman Malykh), CC BY 4.0 — see Library/Att.txt