Digital twin is a computerized model of a physical device or system. Digital twins open new opportunities for operative decision making. Agent-Based Models (ABM) and simulations are core part of digital twins, especially in case of modelling humans in the spaces they act in. Microscopic simulations at the individual level have to be integrated with realistic models of environments. Here digital twins benefit from Building Information Models (BIM) but importing of BIM files into ABM platforms is not common. This problem is addressed in our paper. Principles of BIM are presented briefly. We suggest enhancing NetLogo modelling platform with BIM as the first step towards the development of digital twins models within NetLogo. The first part of the paper describes BIM formats and 3D visualization, including extraction of 3D model parts from IFC format. Parsing an IFC file using python is proposed, with recalculations of coordinates. It is also shown how the content of IFC can be reused in ABM and how simulations can affect BIM backwards.