Unlike several CubeSat gravity boom ideas, ours wraps round the full CubeSat, using The complete CubeSat like a "spool" in lieu of working with an interior spooling system. This scheme admittedly demands cautious installation to help keep the wrapped tape measure Within the Formal CubeSat stay-in zones, however it's doable, https://alexiszyrkb.thezenweb.com/the-5-second-trick-for-focal-planes-67420723