The TalkTemari group recently hashed over vocabulary again... the topic being the relatively little used but easy Double C8 marking. Those of you that have Diana Vandervoort's book with the pattern she calls "Winter Pines" in it will recognize this, but has referred to it differently. The discussion list members asked for clarification. With the help of Kathy H for a diagram and Nicole B. for basic terminology, we'll define the Double C8 marking as a Combination 8 (C8) division with another set of secondary division lines places on the unused vertical lines of the C8; crossing at the same half mark pin.

From Nicole:
Step one:   mark a C-8 but DO NOT remove the pins that have been placed at the half way points on alternate marking lines. Remember that in marking a C8 you place four pins around the north pole on alternate division lines, half way between pole and obi; likewise around the south pole, then begin a secondary marking line at the intersection of obi and marking line ON A LINE THAT HAS A HALF WAY PIN ON IT. The Single C8 is worked using these four pin-marked lines.

To continue to the Double C8: Leave the halfway pins in place and rotate the ball on quarter turn so that you can repeat the C8 lines on the other four vertical marking lines.

You do the simple 8 once, the obi once, and the diagonals at every intersection instead of every other. In Kathy's diagram below, the single C8 lines are shown in solid lines; the additonal Double C8 shown as dotted lines.