@schnipschnap said:

Hi
I tried about everyting.. still saving takes a long time.

My drawing consists almost enterely of circles and arcs. (I build Dome Tents and Houses)
I always used 1000 sides for circles to get a detailed drawing.
Now i know thats too much... πŸ˜’
I used Autocad before, where circles are calculated somehow different, so i nerver thought this could be a problem. Now i know it is πŸ˜„

How many sides do you use?
Does anyone know how to change number of sides in a entire model?
Or do i just have to redraw the whole thing?

Thanks for the help!

Have you tried Window->Model Info->Statistics to see how many Edges and Faces your model contains? Edges don't take much data, so you could have an enormous number without getting all that large a file. The slow save might be SketchUp making sure the model is valid while saving it.

Unlike Autocad, SketchUp does not have an abstract representation of a circle or arc. It represents one as a collection of Edge segments with some metadata tagging them as belonging them to a circle or arc. So, when you choose to use 1000 sides, you are affecting not just the visual presentation but also the size of the model, because each segment is saved individually. For what it is worth, unless you enlarge your view enormously you are very unlikely to see any difference in the view from increasing the sides to more than a couple hundred.

There is no way to manually change the number of sides in every circle and arc at one go. Someone could probably write a Ruby to do it, but I don't know of an existing one.