I finished three new laser-cut spiral designs in the two days prior to Maker Faire. I pushed on several new things -- intricate boundaries, using multiple types of wood in the same design, handling large numbers of pieces, and working with a new, bigger type of veneer. All in all, it's really impressive that all three designs worked out more or less flawlessly.
Design 1:
Design 2:
Design 3:
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Here's a design I messed up last week. (It was a rather esoteric mistake involving the fact that long thin wood strips tend to bend a lot when exposed to a water-based glue on one side, but the mistake cost me about 4 hours so I wasn't thrilled) This is a picture of the good part:
Some other photos of older designs:
An attempt at something lower-contrast:
Lacewood (it's amazingly shimmery)
A runway view of a super-intricate one:
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Here is a step-by-step photoessay showing the assembly process: