Electroculture Spring Coil Winder – Copper Antenna Forms, 4 Sizes

🌀 A set of 3D-printed winding forms for making tight copper spring coils, a classic electroculture antenna shape. The grooves guide the wire so every turn sits evenly, giving you neat, regular coils.

📦 WHAT YOU GET

One winding form, 3D-printed in PLA, in the size and colour you choose, or the full set of four sizes. Copper wire is not included.

📏 SIZES

• Small: 50 x 16 mm

• Medium: 70 x 22 mm

• Large: 100 x 32 mm

• Maxi: 150 x 50 mm

• All 4x: one of each size

🔩 WIRE

Works with copper wire up to 5 mm thick.

🎨 COLOURS

Gold, white or black

🔄 WINDING DIRECTION

Tell us at checkout whether you want a clockwise or counterclockwise winding.

🛠️ HOW TO USE

1. Wrap the copper wire along the grooves, keeping it tight.

2. Slide the finished coil off the form.

🚚 PRODUCTION AND SHIPPING

Each form is printed to order, usually within 24 hours, and shipped from Italy.