Modelling 2D geophysical section

Wondering how a 2D geophysical section can be modelled. It is a (sort of) 2D version of voxel data but the 2D panel can be curved as shown below.
It can probably be done using thin voxel models but needs to instantiate them for each column to represent a curved section in the case of the section along the z-direction. Or would it be possible to add another entity for this type of data??

Start by reviewing the IFC specification conventions for voxel data and existing entities that represent geophysical sections. Compare the proposed thin-voxel approach with adding a dedicated entity for a curved 2D panel. Done means agreeing on a representation and documenting the required IFC model changes.

Written by the indexing model from the issue text.