preview of full CW arcs finally fixed (hopefully)
preview of full CW arcs finally fixed (hopefully)

this was happening only on full CW circles; arcs < full circle displayed ok


jihyun-kim/heekscnc,asmuelle/heekscnc,jihyun-kim/heekscnc,jihyun-kim/heekscnc,asmuelle/heekscnc,satovey/heekscnc,asmuelle/heekscnc,satovey/heekscnc,asmuelle/heekscnc,satovey/heekscnc,jihyun-kim/heekscnc,satovey/heekscnc