handle: name $x+w/2$ $y+h/2+5$ middle
# Just a bunch of circle connected with lines
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+w/10$"   y2="$y+2*h/10$" r="$w/10$"  stroke="black" stroke-width="1"/>
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+9*w/10$" y2="$y+2*h/10$" r="$w/10$"  stroke="black" stroke-width="1"/>
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+w/10$"   y2="$y+8*h/10$" r="$w/10$"  stroke="black" stroke-width="1"/>
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+9*w/10$" y2="$y+8*h/10$" r="$w/10$"  stroke="black" stroke-width="1"/>
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+w/2$"    y2="$y+h/10$" r="$w/10$"    stroke="black" stroke-width="1"/>
<line x1="$x+w/2$" y1="$y+h/2$" x2="$x+w/2$"    y2="$y+9*h/10$"             stroke="black" stroke-width="1"/>
# 2 on each side at the top
<circle cx="$x+w/10$" cy="$y+2*h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>
<circle cx="$x+9*w/10$" cy="$y+2*h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>
# 2 on each side at the bottom
<circle cx="$x+w/10$" cy="$y+8*h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>
<circle cx="$x+9*w/10$" cy="$y+8*h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>
# Two in the middle, at the top and bottom
<circle cx="$x+w/2$" cy="$y+h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>
<circle cx="$x+w/2$" cy="$y+9*h/10$" r="$w/10$" fill="lightblue" stroke="black" stroke-width="1"/>