Prakhar et al at INST developed a novel, cost-effective technique for fabricating 2D/3D paper-based devices using an A-PAP pen, without sophisticated instrumentation or heating steps.

Prakhar et al from the research group of Dr. Bhanu Prakash at INST developed a novel and cost-effective technique for fabricating 2D and 3D paper-based devices using an Advanced PAP (A-PAP) pen, which does not require any sophisticated instrumentation or a heating step, making it a promising technology for resource-limited settings.