csg stool {
        superquadric sts1 {
                color .1, .2, .5
                material 0, .7, .3, 80

                vertex(15, 40, 15)
                vertex(-15, 35, -15)

                order 5
                }
        box stb1 {
                color 0, 0, 0
                material 0, 0, .8, 1000
                reflectance .8

                vertex(10, 37, 10)
                vertex(-10, 34, -10)
                }
        cylinder stc1 {
                color 0, 0, 0
                material 0, 0, .8, 1000
                reflectance .8

                center(8, 37, 8)
                center(12, 1, 12)
                radius 1
                }
        cylinder stc2 {
                color 0, 0, 0
                material 0, 0, .8, 1000
                reflectance .8

                center(-8, 37, 8)
                center(-12, 1, 12)
                radius 1
                }
        cylinder stc3 {
                color 0, 0, 0
                material 0, 0, .8, 1000
                reflectance .8

                center(-8, 37, -8)
                center(-12, 1, -12)
                radius 1
                }
        cylinder stc4 {
                color 0, 0, 0
                material 0, 0, .8, 1000
                reflectance .8

                center(8, 37, -8)
                center(12, 1, -12)
                radius 1
                }
        cone stn1 {
                color .2, .2, .2
                material 0, .1, .6, 100
                reflectance .2

                center(11.9, 2, 11.9)
                radius 1.1
                center(12.1, 0, 12.1)
                radius 1.5
                }
        cone stn2 {
                color .2, .2, .2
                material 0, .1, .6, 100
                reflectance .2

                center(-11.9, 2, 11.9)
                radius 1.1
                center(-12.1, 0, 12.1)
                radius 1.5
                }
        cone stn3 {
                color .2, .2, .2
                material 0, .1, .6, 100
                reflectance .2

                center(-11.9, 2, -11.9)
                radius 1.1
                center(-12.1, 0, -12.1)
                radius 1.5
                }
        cone stn4 {
                color .2, .2, .2
                material 0, .1, .6, 100
                reflectance .2

                center(11.9, 2, -11.9)
                radius 1.1
                center(12.1, 0, -12.1)
                radius 1.5
                }

        sts1 + stb1 + stc1 + stn1 + stc2 + stn2 + stc3 + stn3 + stc4 + stn4
        }