You can’t create meshes inside Roblox Studio, but you can create them inside Blender 3D (and export them into your project). Introducing Blender 3D.

Inside Roblox Studio, you can create new games by clicking + New tab on the left hand bar. This will bring up a series of templates for you to work from that can be sorted by theme or gameplay style.

Go to the links to startgrid and plane meshes and click on the url, highlight the numbers and copy Then go back to roblox studio, click a mesh part and go down to properties and paste in the Mesh id, ...

In addition, you should read Roblox 101: How to Create Custom Meshes to give your games extra visual flair. How To Make Real Money From Roblox Games Anyone who knows about Roblox, knows about Robux.

You can’t create meshes inside Roblox Studio, but you can create them inside Blender 3D (and export them into your project). Introducing Blender 3D.