A recent discovery of the attached video and link to a Blog (see Robot Taiji link and blog link) led me to write the following response:
I practice and teach a Compact Square Form in addition to Compact Round Form. Specifically, this is directed to the authors of the blog article "Robot Tai Chi by Stephen Hwa" and generally to interested readers who may or may not practice the Square Form of Classical Tai Chi. Generally, one must assume that not many people are familiar with the Square ("Fang") Form. To my knowledge it came to fruition during the 20th century. It arose as inception and development by the Wu Family Tai Chi and its representatives. In its various incarnations and variations it has been introduced and taught by disciples and family of Wu Chien Chuan. What is not agreed upon even among the family and representatives is which version is correct. To explain this I can only offer that there is very obvious difference between large frame square form and compact frame square form...size difference.
All of the commentary that has been offered about square form leads me to think that even difference of size is not apparent to practitioners of large frame. There also appears to be a majority of practitioners in large frame practice who have never heard of Compact frame. In addition, the most current commentary from the mass media and the unitiated (including Tai Chi practitioners and even those who practice another version of large frame square form) is that the Compact square form looks "robotic", hence the following article: