Soft Cell 2 (IMAGE) PNAS Nexus Caption Soft version of the truncated octahedron, a space-filling polyhedron. This soft cell fills space without gaps but has no sharp corners. The faces are minimal surfaces, represented by soap films. Credit Krisztina Regős and Gábor Domokos Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.