John McWhirter
Chicago, USA
A fun and educational tool for drawing spiral patterns.
| Material | Description | Price | ||
|---|---|---|---|---|
|
Baltic Birch Plywood |
8" × 12" × 1/8" Baltic Birch Plywood |
||
|
Blue Expanded PVC Sheet |
8" × 12" × 1/8" Blue Expanded PVC Sheet (Do not use) |
||
5 minutes
Experiment with different hole shapes and patterns on the inner gear to make your own unique spiral art!
I’ve found that curved shapes work better than straight-sided ones. Asymmetric shapes can produce some cool effects—go nuts!
16 minutes
I’ve tried it in both baltic birch plywood and expanded PVC and they both work. Acrylic would be ideal, but you would probably have to remove the tabs and use double-sided tape.
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