I suggest 1/8 inch | 3 mm | medium materials. Acrylics and plywood work great.
I’ve been using 6 mm jump rings to go thru the .070 holes.
SVG or PDF, your choice. Right click and save the SVG
Valentines Earrings.pdf (266.6 KB)
Make somebody (or several somebodies - I’ve made 100 pairs to give away) happy!
If you make any feel free to share a photo below.