Same as this guy had an issue with, but I can’t solve it …
I have been using Sketchup for over 10 years, literally daily, have built 5 cars and 2 aircraft with it, awesome, amazing, and I consider myself expert level, and often recommend and instruct Sketchup Newbies, but this is driving me nuts.
It just suddenly started, no lines and I open Styles - edit and change ;Edges’ back to “all the same”, but the moment I save my work, bang, lines disappear and it reverts back to “by material”.
I did make a new shortcut, and I did install a new extension weeks ago, but have eliminated both, reinstlled/repaired, computer on/off, nothing changes.
Generally Sketchup has been one of the most reliable softwares I have ever had, you can’t imagine my disbelief at this suddenly happening after over 10 years of fantastic use.