US Patent 10533807 Three-dimensional moulding

One aspect of the invention relates to a molding which is flow-passable by a fluid in at least one flow direction. The molding comprises a multiplicity of mutually parallel successive layers. Each layer includes clearances and at least one mating face toward a following or a preceding layer. Each clearance of one layer overlaps at least one region of the clearance of a following or preceding layer. On account thereof, the layers collectively configure step-shaped webs in the molding. The molding comprises at least two such webs. Moreover, the present invention relates to manufacturing methods for manufacturing said moldings, and the use of said moldings and reactors which comprise said moldings.