Vintage Patinated Copper Victorian Spirograph Seed Geometrician

Construct the main hopper body using reclaimed walnut, milling precision grooves to house the rotating internal seed delivery gears. Ensure the wood is sealed with marine-grade spar varnish to withstand exterior moisture.

Fashion the decorative exterior spirograph arms from hand-cut brass plates, attaching them to a central copper spindle. These arms serve as both a visual aesthetic homage to Victorian math tools and as structural perches for visiting birds.

Create the roof assembly by shaping a copper sheet over a wooden form, then applying an acidic patina solution to achieve a rich, antique turquoise finish. The finished dome attaches to the top of the gear housing with a series of tiny, brass carriage bolts.

Install the interior gravity-fed mechanism that releases seeds onto the spirograph tray as the wind causes the outer assembly to gently pivot. The final piece balances artistic Victorian precision with functional, weather-ready garden utility.