One Picture Ltd. ( OPL ) is a small, independent company that has dedicated its time from 1994 developing, testing and fine-tuning its physically-based HyperMatter software. Its specialist field is the precision modelling of the dynamics of soft, elastically deforming objects for use in the computer animation industry.

Since 2001, OPL has devoloped its first end-user product, HyperMatter For Maya, which is a plug-in product for AliasWavefront's Maya 3D animation software that allows Maya animators to work in a simple and intuitive physically-based environment, and to ascribe to their objects a true sense of materiality and substance.

OPL is the owner, sole licensor and developer of HyperMatter software and HyperMatter for Maya software. HyperMatter is a registered trademark of OPL.The periodic table symbol "Hm" is a trademark of OPL.