This is an intriguing query. You're likely referring to the font—a Bengali typeface designed to reflect the decorative, geometric patterns of traditional Nakshi Kantha (embroidered quilts) from Bengal.
There isn't one single universally cited "standard" academic paper, but the most interesting and relevant paper on this topic is likely: nokshi standard font
Presented at the International Conference on Computer and Information Technology (ICCIT), often by researchers from Bangladesh University of Engineering and Technology (BUET) or similar institutions. This is an intriguing query