rotateY 50 (persp 400)
parent perspective, rotateY(50deg)
rotateX 45
rotateX(45deg)
perspective() fn
perspective(300px) rotateY(-40deg)
translateZ 100
translateZ(100px): closer, larger
hidden back
rotateY(180) backface hidden: nothing
shows back
rotateY(180): mirrored
g 30/20 op .7
rotateY+rotateX, opacity