Inside Roblox Studio, place a new MeshPart into the world by clicking the Plus symbol next to Workspace. Type “mesh” in the search box. You should see MeshPart in the list of available objects.

SAN FRANCISCO—At the Game Developers Conference Monday, Roblox rolled out a new set of AI tools designed to let the company's millions of player-creators create usable game code and in-game 2D ...