: This 2017 ACL paper by Rie Johnson and Tong Zhang details a word-level CNN architecture designed to capture global representations of text through a pyramid structure.
: You can find specific paper craft kits for characters like Pyra on sites like Etsy. Pyra.mp4
If you simply need instructions for making a physical pyramid out of paper (useful for school projects or hobbyist modeling): : This 2017 ACL paper by Rie Johnson
: For those interested in NLP, the paper Supervised Learning of Automatic Pyramid presents a framework for multi-document summarization. General Paper Pyramid DIYs General Paper Pyramid DIYs : This SIGGRAPH paper
: This SIGGRAPH paper discusses edge-aware image processing using Laplacian pyramids, which is a standard method for decomposing images across multiple scales.
If you are interested in creating a physical model of Pyra from Xenoblade Chronicles 2 , there is a well-known community project where a creator made a highly detailed Pyra figure out of paper . This project gained significant attention for its professional look despite being made entirely of paper.
Could you clarify if you are looking for a or a technical research paper ? How to Make Pyramid from Color Paper | DIY Pyramid