The Scottish star does indeed look like a star when you plot straight lines between sequenced controls on the map.
I've done a rough bash at it in RWGPS as well; basically set it to walking and put in both the control points and the suggested waypoints
https://ridewithgps.com/routes/28690601You get to do it at 200km a day
For me I think that one has a bit too much futility in it!
Round the Coast looks quite interesting:
https://ridewithgps.com/routes/28682509You get 240km a day on that; which seems pretty doable if you build up to it.
And the Eightsome Reel looks pretty decent
https://ridewithgps.com/routes/28682272You need to maintain 12kmh on that one; which fits with the 300km a day described in the report on here a few years ago.
None of those RWGPS routes are suitable for following
Not too sure how you get proof of passage at Lighthouses these days as the NLB is fully automated, but George talked of the NLB keepers treating him to tea and cakes!
I also like how on the info sheets the "Things to watch for"
All of them say "Traffic, Animals, Midges and Day Dreaming"
Except for the Twilight 600 which tells you to watch for "Traffic, Animals, Midges and Night Dreaming"