Khéops® Par Puca® 2-hole Beads. Czech Glass Beads by ScaraBeads. Shaped like an equilateral triangle, these beads measure 6x6mm and have a 3mm thickness. Multi-hole beads can certainly work well with figurines and embroidery, they will look spectacularly good with certain jewelry items such as earrings, pendants, and bracelets. Glass jewelry making supplies.