Code Sketch

clear
//showGrid()
//showAxes()

setSpeed(superFast)

 
def square = Picture {
    setPenColor(yellow)
    setPenThickness(10)
    forward(500)
    right
    forward(500)
    right
    forward(500)
    right
    forward(500)
    right
    }
 
def shape1 = Picture{
    setFillColor(yellow)
    right(135)
    forward(141.42)
    left(135)
    forward(200)
    left(135)
    forward(141.42)
}.thatsStrokeColored(blue)

def shape2 = Picture{
    setFillColor(yellow)
    right(135)
    forward(141.42)
    left(135)
    forward(200)
    left(135)
    forward(141.42)
}.thatsStrokeColored(blue)

def shape3 = Picture{
    setFillColor(yellow)
    right(135)
    forward(70.71)
    right(90)
    forward(70.71)
    right(90)
    forward(70.71)
    right(90)
    forward(70.71)
    right(90)
}.thatsStrokeColored(blue)

def shape4 = Picture{
    setFillColor(yellow)
    right()
    forward(100)
    left(135)
    forward(70.71)
    left(90)
    forward(70.71)   
}.thatsStrokeColored(blue)

def shape5 = Picture{
    setFillColor(yellow)
    left(45)
    forward(70.71)
    left(135)
    forward(100)
    left(135)
    forward(70.71)
}.thatsStrokeColored(blue)

def shape6 = Picture{
    setFillColor(yellow)
    forward(100)
    right(135)
    forward(70.71)
    right(45)
    forward(100)
    right(135)
    forward(70.71)
}.thatsStrokeColored(blue)

def shape7 = Picture {
    setFillColor(yellow)
    left(45)
    forward(141.42)
    left(135)
    forward(100)
    left(90)
    forward(100)
}.thatsStrokeColored(blue)
      
def squaresBoxes = picStack(
    Picture {},
    square.thatsTranslated(0, 0).thatsFilledWith(black),
    square.thatsTranslated(500, 0).thatsFilledWith(black),
    square.thatsTranslated(500, 0).withFlippedY.thatsFilledWith(black),
    square.thatsTranslated(0, 0).withFlippedY.thatsFilledWith(black),
    square.thatsTranslated(0, 0).withFlippedX.thatsFilledWith(black),
    square.thatsTranslated(-500,-500).thatsFilledWith(black)

)
squaresBoxes.draw
def fish = picStack(
    Picture{},
     shape1.thatsRotated(135),
     shape1.thatsRotated(135).withFlippedY,
     shape3.thatsRotated(45).thatsTranslated(0, 40),
     shape4.thatsRotated(135).thatsTranslated(70, 40),
     shape4.thatsRotated(45).thatsTranslated(0, -100),
     shape6.thatsRotated(-45).withFlippedX.thatsTranslated(140, -30),
     shape7.thatsRotated(-45).thatsTranslated(140, -30)
    )

def tree =picStack(
    Picture {},
    shape3.thatsRotated(45),
    shape1.thatsRotated(-90).thatsTranslated(-20, 100),
    shape6.thatsRotated(-90).withFlippedX.thatsTranslated(130, 50),
    shape4.thatsTranslated(30, 50),
    shape4.thatsRotated(180).thatsTranslated(80, 100),
    shape1.thatsRotated(-90).thatsTranslated(30, 200),
    shape7.thatsRotated(-135).thatsTranslated(-40, 200),
    )
def dog = picStack(
    Picture{},
    shape1.thatsRotated(45),
    shape3.thatsRotated(45),
    shape4.thatsRotated(135).thatsTranslated(210, -70),
    shape1.thatsRotated(-135).thatsTranslated(211, 72),
    shape4.thatsRotated(45).thatsTranslated(210, 70),
    shape6.thatsRotated(-45).withFlippedX.thatsTranslated(0, 140),
    shape7.thatsRotated(-135).thatsTranslated(-140, 69)
  )
def heart = picStack(
    Picture{},
    shape1.thatsRotated(90),
    shape1.thatsRotated(-90).thatsTranslated(0, 200),
    shape3.thatsTranslated(100, 200),
    shape4.thatsRotated(180).thatsTranslated(100, 0),
    shape6.withFlippedX.thatsTranslated(150, 50),
    shape4.thatsRotated(-90).thatsTranslated(150, 150),
    shape7.withFlippedX.thatsTranslated(0, 0)
    )
def aeroplane = picStack(
    Picture {},

    shape4.thatsRotated(0).thatsTranslated(-50, -50),
    shape6.thatsRotated(90).thatsTranslated(-50, -50),
    shape1.withFlippedX.thatsRotated(45).thatsTranslated(140, 0),
    shape1.withFlippedY.thatsRotated(135).thatsTranslated(140, 0),
    shape3.thatsRotated(45).thatsTranslated(140, 30),
    shape4.thatsRotated(45).thatsTranslated(210, -41),
    shape7.thatsRotated(90).thatsTranslated(280, 130)
    )


def mountain = picStack(
    Picture{},
    shape1.thatsRotated(135),
    shape1.thatsRotated(45).thatsTranslated(140, 0),
    shape3.thatsTranslated(70, 150),
    shape4.thatsRotated(135).thatsTranslated(140, 0),
    shape6.thatsRotated(135).withFlippedX.thatsTranslated(0, 70),
    shape4.thatsRotated(135).thatsTranslated(70, 0),
    shape7.thatsRotated(-45).thatsTranslated(140, 0)
    )


fish.thatsTranslated(-300, 300).draw
tree.thatsTranslated(240, 200).draw
dog.thatsTranslated(650, 200).draw
heart.thatsTranslated(-300,-300).draw
mountain.thatsTranslated(650, -300).draw
aeroplane.thatsTranslated(200, -200).draw