[[Affine Transformations|Affine]] version of [[Skew Transformation]]. Skew projection into $\alpha$ in the direction $\vec v$ $\huge\begin{align*} A&= I - \frac{1}{{\vec n^{\intercal}\vec v}} \vec v \vec n ^{\intercal} \\ \vec b &= \frac{c}{{\vec n^{\intercal} \vec v }}\vec v \end{align*}$ #### [[Homogeneous Coordinates]] $\huge A = I - \frac{1}{\vec n^\intercal \vec v} \tilde v \tilde N ^\intercal $