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Hi Solo, hi folks.
Here is a trick I was once given in the old SU forum:
When saving a multiple scenes tutorial, make sure that you save when viewing the first scene (usually Scene 1). This insure that the tutorial will open on the first scene instead of anyone including the last.
This also save the final punch for the rigth time 
Just ideas.
Hi folks.
I work 99 % of the time with perspective on.
I work with all kind of orientation, constantly orbiting, zooming, panning even while drawing, copying, whatever. It is like doing a sculpture when you manipulate the object while working on it. SU allows this kind of flexibility and I use it a lot.
Just ideas.
Hi folks.
To save some time, try this:
1 - Make one thread.
2 - Copy/Rotate it and move it up to proper place.
3 - Smooth any junction lines between the two instances.
4 - Copy this new module of two threads to get four.
5 - Move, smooth the two modules of 2.
6 - Repeat with 4 to get 8.
7 - Continue doubling each time to get what you want.
For example, if you use, for the base circle, the standard number of segments of 24, you will use the above procedure untill you get 8 treads. Then, for the last copying, you will ask for two copies at 120° from each other to get 24 instances around the circle.
That way, you get a whole circle of ascending threads with only four copy/rotate, move and smooth operations.
1 --> 2
2 --> 4
4 --> 8
8 --> 24
Just ideas.
HI TIG.
No problem. Good idea.
I only focused on the tough part, the curved one.
Of course, I did a simple face quick model just to give ideas but it is easy to add real thickness and framing to get a more convincing roof.
Ross Macintosh is probably one with the most experience with this kind of roof. Many will remember the numerous posts on that subject in the old SU forum.
Just ideas.
Hi Gene, hi folks.
You can also scale a sphere vertically.
Just ideas.
Hi Gene, hi folks.
Rotating an ellipse around a circular path will yield an ellipsoid. I think.
See this SU file for ideas.
Hi folks.
If you want to avoid drawing the lines, suggested by Alan, one by one, see the attached SU file for ideas.
Hi Jhearcht, hi folks.
If you reach the side of the screen, simply pan/zoom/orbit untill you see where to set the end of the line then place it.
Tools like Pan, Zoom, Orbit are functionnal even in the middle of any drawing or moving or rotating or scaling, or etc operation.
Even better, you can change rendering style in the middle of these operations. For example, you can start a line on some point then view hidden geometry to see a smoothed line and snap the line being drawn to the midpoint of the smoothed line.
Even more powerful, you can change Scene while in the middle of a drawing operation. Imagine having to triangulate a very long piece. You set one scene at one end and another scene at the other end. You can then activate the first scene, start a line, activate the other scene and finish the line. Repeat as needed to draw all required lines.
Just ideas.
Bonjour Barrois, hi folks.
He wants to know if an hyperlink can be attached to an object.
Barrois, tu peux aussi poser ta question sur le forum en Fançais de ce même site.
Je pense que la réponse est non.
Salutations.
Bonjour.
Oui, on peut faire cela de façon très simple.
Voir le fichier SU ci-joint.
Salutations.
Hi Guite, hi folks.
I see the effect too ... and I dont smoke 
Hi folks.
If I just need to convey an idea, I wont bother with dimensions.
However, if modeling something real to check for feasabily for an installation or interference check for example, I will use exact values.
Just ideas.
Hi folks.
Keep in mind that layers dont work the same in SU as they do in AutoCAD.
In SU, layers are mostly used to control the visibility of objects.
To isolate geometries in SU, use groups or components.
Just ideas.
Hi Walter, hi folks.
If the measuring protractor cannot measure the angle you want, can you post a picture (sketch) of what you want to acheive. I am pretty sure that some trick can be found to do the job.
Hi folks.
Watch you head when going in or out of the back seat, the roof drops quite sharply at the back.
Just ideas.
Hi Eugene, hi folks.
If you use an arc with 9 segments, you get 10 cross sections.
The scale factors will then be : 1.0, 0.9, 0.8, 0.7, ..., 0.2, 0.1 and 0.0.
SU will not accept a scale factor of 0 and since the last section shall terminate with a point, it shall be a real cone.
By the way, there are at least three methods that come to my mind to make a real cone. See attached SU file for ideas.
![Cone[2].jpg](/uploads/imported_attachments/FVGC_Cone2.jpg)
I folks.
If you make a component of the whole model, you can use a flipped copy of it for the reflection. That way, any change will automatically be reflected (appropriate word choice ) in the reflection. This will also reduce the file size.
Just ideas.