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Assuming just a hub not a wheel, probably no more than 3' x 1' bench space and possibly a selection of jam jar lids or similar to group things in. If memory serves, I needed roughly four hours (though not all in one go) for the first one, less than three for the most recent. Possibly the cat would be the biggest problem? (NB this is unsolicited advice from a man with time and space but no cat)
I don't have the space really to lay it out like that, it would have to be in the house and if the cat found it It would be doomed. Also, even if I do have the time, I'm not entirely sure I have the patience! I could try on a cheap sacrificial AW though first I suppose....