Electroformed thin-wall diamond drill bit with continuous wavy-shape blade

A drill bit, comprising:

• a drill blank;
• and
• a drill body,
• where the drill body include multiple outer projections and outer wall channels and multiple inner projections and inner wall channels, where the inner wall channels are formed as back sides of the outer projections and the inner wall channels have complementary shapes to the shapes of the outer projections, and the outer wall channels are formed as the backside of the inner projections, and the outer wall channels have complementary shapes to the shapes of the inner projections, where the outer projections and outer wall channels are distributed around a circumference of the drill body, and wherein each of the outer projections and outer wall channels include at least one curved part therein, and where at least some of the shapes are different from one another.