mole 4dMol 4D (Molecules in Four Dimensions) is a Web-based molecule editor using the Chime browser plug-in linked to a MOPAC calculation engine the produces structural200+ stunning Mole 3D models. Hh quality files for any industry - games, VFX, real-time, advertising, & VRAR. Plus more. Free 3D nature models for download. Hh-quality nature 3D