I think I would try beading the design on before cutting it out. I could still cut the individual curved designs between each section of the shell as shown and stitch them on then continue beading.
Handcrafted green bead embroidered pendant "Magic Dreams" with Seraphinite cabochons, natural shell pearl beads, Aventurine bead and Japanese seed beads. Handmade pendant is hanging from beaded cord a
