Hi Marco, love the hilt!! I agree with David, Alan and Ganja-yes, it's incredibly easy to make a really bad mistake with power tools when carving, if you make a slip with the dremel it WILL (sod's law)cut much deeper than when you're carving intentionally! As always today the almighty dollar rules most crafts, power tools give you a little more speed when carving but don't make it that much easier.
Any chance of some more photos, all round views of the hilt?