Helix Construction, Cutting out the spiral

Take one Jig Saw / Sabre Saw and one draw on sheet of timber. Ensure the timber is raised more than the length of the blade (the observant will notice a switch from 1x2 to 1x3 for this part) Check and check again which colour you are cutting - Today I'm cutting Black. Working from the inside to the outside makes it easier to keep the work propped up as you work. Half way through cutting out the spiral