We are compressing high dimensional vectors to 2 dimensions using PCA, so that we can make 2D SVM plots. But it is difficult to compress to 3 dimensions with PCA.What is a good way to compress to 3 dimensions to make 3D SVM plots?

EDIT: Actually, we can compress to 3 dimensions, but it was more difficult to plot than 2 dimensions. So the question is about how to plot 3 compressed dimensions.

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