Diagrams.TwoD.Shapes
hrule
vrule
regPoly
triangle
eqTriangle
square
pentagon
hexagon
heptagon
septagon
octagon
nonagon
decagon
hendecagon
dodecagon
unitSquare
rect
roundedRect
data RoundedRectOpts d
radiusTL
radiusTR
radiusBL
radiusBR
roundedRect'