Second Launch. It uses the advantage of 1b being able to carry crew and cargo - Solar panels and Adapter.
Third Launch - Habitation module
Fourth Launch - Research module View attachment 72483
And yes it is no clip. This hinge is how the titled solar panels work
Apollo, I have added your hinged, tilted solar panel design into my Skylab model in two adjacent places, and now I have four tilted panels, it looks better now. Before, I just had three, right-angled panels. Thanks for the idea!
Oh, my bad. I used cropped images as I also show some of them for discord screenshots., and want them t look pretty I understand now, Sorry about that!