The likely name is Empty Baseplate in Roblox Studio, which is the starter place used for building from scratch. A newer baseplate texture is also commonly referred to as the standard baseplate texture or the “new plate”.

What it usually means

  • If you mean the default starter map, it’s Empty Baseplate.
  • If you mean the floor material/texture, people often call it the baseplate texture or studs.

Why it’s confusing

Roblox players sometimes use “baseplate” to mean the place template, the flat platform itself, or just the texture on it. So the exact name depends on which part you mean.

Best match

For most Roblox Studio context, the answer is Empty Baseplate.

TL;DR: Empty Baseplate is the most likely name.