Ken Wines
Member
Here's one I did a week or so back. It has 4 strands each of 5 different species of wood. The woods are walnut, maple, cherry, osage orange and redheart. The second photo shows one of the 5 blanks as cut. It has 18 helical segments. You're probably wondering why 18 segments instead of 20. The segments have been laser kerf compensated which moves the the laser cuts 1/2 kerf away from the design line on both sides of the segments. I use 0.007" when designing for kerf. When you take into account you have 18 cut lines the 0.007" starts to add up and you lose a couple of the segments as opposed to having a perfect cutter with no kerf. You also have to take into account the angle of the helix.
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