Alternatively, your Roblox Create page and Roblox Studio come pre-loaded with a project call " ... Click on these to see a drop-down menu from which you can configure the game's settings.

Roblox is an online gaming platform and a tool for game development created by the Roblox Corporation. It enables users to create games and play those that are made by others.

You can’t create meshes inside Roblox Studio, but you can create them inside Blender 3D ... A new menu will appear. Click Wavefront (.obj) or FBX (.fbx). Either will work.