Volcano

for i = -3,3, .1 do
for j = -3,3, .1 do

y=math.sin(math.sqrt(i^2+j^2))

p = Instance.new("Part")
p.CFrame = CFrame.new(Vector3.new(100*i, 100*y, 100*j))
p.Size = Vector3.new(8,8,8)
p.Anchored = true
p.BottomSurface = "Smooth"
p.TopSurface = "Smooth"
p.Parent = game.Workspace
p.BrickColor = BrickColor.new(217)

end end