Four Irish crochet leaves in green surrounded by a round of red bobbles, and 6 rounds of white. Red and green beads added at corners. In 1000 Mailles, the coasters are shown pinned to a lampshade and lamp column.

For three:
10 g white
small amount green, red
24 red beads, 12 green beads

Pattern 3 in Magic Crochet.
Pattern Perles in 1000 Mailles.