Logo Arts

To New
  # set default screen, pen and turtle values
  ResetAll SetScreenSize [400 400] HideTurtle
  SetSC Black SetPC Green SetPS 1 PenUp
End

To DrawGrid
  For [Z 0 2] [
    For [X 0 5] [
      For [Y 0 3] [
      SetY (:Side*:Y)+(4*:Side*:Z)-176
      If :Y=3 [Make Y 1]
      SetX (12*:Y)+(2*:Side*:X)-172
      Square :Side Fill ] ] ]
End

To DrawLine
  For [Y 0 10] [
    SetXY Minus 188 (:Y*:Side) - 160
    PenDown Forward 376 PenUp]
End

To Square :Side
  # square (side x side) drawn from centre (tp)
  Back :Side/2 Right 90 Back :Side/2 PenDown
  Repeat 4 [
    Forward :Side Left 90]
  PenUp Forward :Side/2 Left 90 Forward :Side/2     # r2c
End

To Go
  New
  SetSC [255 255 204] SetH 90
  Make "Side 32
  SetPC [0 51 0] DrawGrid
  SetPC Red DrawLine
End