Supplementary data for the manuscript "Key Structural Characteristics of Porous Layers in Diffusion Modelling: A Study on Polydispersity, Shape, and Hierarchy" by Volodymyr Reshetnyk, Igor Luk’yanyk, Yuri Skorov, Yevgen Grynko, Wolfgang Macher,Christian Schuckart, Yuhui Zhao and Jürgen Blum submitted to Planetary and Space Science (Volume 260, June 2025, 106078), including tables, input files, and figures. It contains an archive of porous layers generated by different methods.