Making a mosaic table top Stage 3 and a 1/4

Here is my husband Bruce drilling some holes through the table so that light will shine through the glass drops. The fibre cement board absolutely killed his drill bits so I said I would buy him new ones when I sell this table.

Here is the small hole with the glass drop that will go over it

inside design still a work in progress. Amber glass drops glued down with clear silicone