Quantity   Component name
1 × Mini wooden clothespins ≈ 40mm long https://www.amazon.com/gp/product/B01N2UHVHB/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
1 × .4 mm Extruder needles Other diameters work too
2 × 7x1mm nickel magnets
1 × Metal tray Or other ferromagnetic material
1 × PLA Filament ≈1g per pin
1 × Copper clad board