the points in the sketch are not actually connected:
With the default configuration the points turn yellow if you hover the mouse over them - we call that a "preselection". If you click them they turn green (slightly darker than the green indicating fully constraintness.
Just we have an idea of what "guide" is being used...cuz, I sure didn't. I did a search on the phrase and found this:Dreadnought wrote: ↑Mon May 25, 2020 9:38 amHi,
Thanks for the advice on the pick radius, that hasn't helped, so as also requested I'm following "Creating a simple part with PartDesign" and I'm unable to get past "Let's start with the first segments" as the constraints don't seem to lock as suggested in the text, please see file.