Scovati per voi nel web... ispirazioni per usare al meglio il vostro Multiutensile rotativo Dremel
How to Drill Pebbles and small beach or garden stones by Eternal Tools. This follow along tutorial is full of tips and makes drilling holes into pebbles nice and easy. It shows the equipment you'll need, top tips along the way and some inspiring work by other artists who use pebbles and stones in their jewellery and craft work.
This is an art to learn, will have to try this, unfortunately, the site goes Nowhere. Tutorials for this may be found on You-Tube.