Steven De Keninck Computer Vision Group • University of Amsterdam Putting PGA ($\mathbb R_{3,0,1}$) to the test! Since the 2019 SIGGRAPH course [1], Geometric Algebra, and Euclidean PGA (plane-based or projective geometric algebra) in particular, has been gaining traction within the computer graphics and machine learning communities [2, 3, 4]. Despite its broad applicability, including for higher