Spatial distribution of stellar particles in three orthogonal projections (XY, XZ, YZ) for a redshift of z = 0 CG. This group (FoF group #469) consists of four galaxies with a similar stellar mass in a physically compact configuration (${\overline{\mu }}_r=25.83\mathrm{mag}{\mathrm{arcsec}}^{-2}$). The mean projected radius is ${\overline{R}}_{\mathrm{p}}=131.34$ kpc, with total stellar mass M_*, T = 10^11.0 M_⊙ and a 1D velocity dispersion of σ_v,1D = 10.96 km s⁻¹ (see Table A.1). Members are labelled according to their stellar mass, 1 being the central and more massive member of the system. 1 and 4 show strong tidal interaction, while the other two have disc-like and spheroidal morphologies (3 and 2, respectively). Darker colours indicate a higher number density of particles. Images were generated with the Py-SPH Viewer library (Benítez-Llambay 2017).