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 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 [172 209 255] Wrap SetPW 3
  SetPC White SetH 45
  For [ X 0 400 20] [
    SetXY : X -200 Minus 200 PenDown Forward 566 PenUp]
  Home SetPC [172 209 254] Square 120 FillZone
  SetPC [172 209 255] Fill
  SetPC Black SetH Minus 45
  For [ X 20 120 20] [
    SetXY : X -60 Minus 60 PenDown Forward Sqrt (2* : X * : X ) PenUp]
  For [ Y 20 120 20] [
    SetXY 60 Minus : Y -60 PenDown Forward Sqrt (2* : Y * : Y ) PenUp]
End