Code Sketch

clear()
//showAxes()

def shape1 = Picture{
    repeat(4){
        forward(100)
        right()
    }
    
}
//shape1.draw

def shape2 = Picture{
    right(360,50)
}
//shape2.draw

def shape3 = Picture{
    repeat(2){
        forward(100)
        right()
        forward(50)
        right()
    }
    
}
//shape3.draw

def pattern = picStack(
    Picture{},
    shape1.thatsRotated(45).thatsTranslated(0, 0)
           .thatsFilledWith(red).thatsStrokeColored(red),
    shape2.thatsTranslated(-50, 100)
            .thatsFilledWith(yellow).thatsStrokeColored(white),
    shape3.thatsRotated(90).thatsTranslated(50, 45)
            .thatsFilledWith(blue).thatsStrokeColored(noColor)

)
//pattern.draw

def design = picStack(
    Picture{},
    pattern,
    pattern.thatsRotated(90),
    pattern.thatsRotated(180),
    pattern.thatsRotated(270),
   
)
//design.draw

def design1 = picStack(
    Picture{},
    design,
    pattern.thatsTranslated(0, 150),
    pattern.thatsTranslated(0, 150).thatsRotated(90),
    pattern.thatsTranslated(0, 150).thatsRotated(180),
    pattern.thatsTranslated(0, 150).thatsRotated(270),
)
design1.draw