>>290012209
they have a pretty wide fov horizontally and vertically. https://www.vive.com/eu/support/vive-pro/category_howto/tips-for-setting-up-the-base-stations.html they don't have to point exactly at the middle, but generally around hip height i'd say. can use a tool like https://nono-00.itch.io/base-station-fov-viewer to visualize the fov.