By category, its label beyond its spoke's end; null where the axis shows none.
The series' polygons are filled, not lines.
In px: the value axis's maximum's distance from the center.
The ring of each major tick past the minimum, a polygon through the spokes.
The value axis's labels, left of the first spoke.
A radar chart: spokes from its center, one per category clockwise from 12 o'clock, the value axis up the first, its values' rings through the spokes, and the series' polygons. The group draws its axes; the chart's axes are laid out (their scale) and draw nothing.