The invention relates to a cutting base comprising several cutting base parts (2, 3, 4) which are completely separated from one another when the cutting base (1) is dismantled and are arranged directly adjacent to one another when the cutting base (1) is assembled, the cutting base parts (2, 3, 4) each have, at least in sections, a contouring (6) in the edge area (5) so that the contouring (6) enables the cutting support parts (2, 3, 4) to interlock with one another in a form-fitting manner when the cutting support (1 ) is formed, and wherein the contouring (6) has a shape such that the cutting base parts (2, 3, 4) are interlocked in the assembled state of the cutting base (1).
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