local roomSize = Vector3.new(9999, 1, 9999)  -- Size of the floor (width, height, depth) you can change this if you want
local roomPosition = Vector3.new(0, 0, 0)  -- Position of the floor (500 blocks away)

-- Create a model to hold the floor part
local room = Instance.new("Model")
room.Name = "Room"
room.Parent = workspace  -- Parent the room to the workspace

-- Function to create a part
local function createPart(size, position, color, parent)
    local part = Instance.new("Part")
    part.Size = size
    part.Position = position
    part.Anchored = true
    part.BrickColor = BrickColor.new(color)
    part.Transparency = 0.5
    part.Parent = parent
    return part
end

-- Create the floor part
createPart(Vector3.new(roomSize.X, 1, roomSize.Z), roomPosition + Vector3.new(0, -0.51, 0), "Dark stone grey", room)