Tool for machining material and method of producing same

A method for manufacturing a tool for machining of materials, specifically a grinding tool comprising a substantially rotationally symmetrical shape with respect to a rotation axis (R), the tool comprising:

• an outer shell centred about the rotation axis and defining an internal space therein, wherein at least a part of a surface of the outer shell is provided with an abrasive coating or component;
• and
• characterized in that the outer shell encases an internal skeleton structure in the internal space, the internal skeleton being integral with the outer shell and defining void volumes in the internal space thereby establishing material and void volumes (M, V) of the internal space, and wherein the material to void ratio M/V is distributed substantially identically along each radius (r) centred around the rotation axis (R) and its corresponding symmetrical radius (r′);
• the method comprising manufacturing the tool bottom-up in a layer-by-layer manufacturing process.