Hi Martin,
> Thank you Michael, your explanation was what I hoped for. You're very skilled in placing
> the points. I tried it like you showed but my curves still have kinks in them and are far
> from smooth. I guess there's a lot of practise required.
Yes, practice does definitely help. The thing that's nice about it compared to Bezier drawing though is that you're more able to directly shape the curve right during the initial creation of it, you don't have to do that type of multi-pass Bezier drawing approach with having some totally different straight lined shape to start with and then putting in bulges as a separate step.
The Bezier method with bulge adjusting is really not so bad for tracing in particular - but it becomes significantly more weird when you're just freely drawing something though, that's when the NURBS method of being able to directly draw the curve in one go through becomes way better.
If you are still not comfortable with control point curve drawing, maybe using "Through points" would work better for you - since you can then place the points directly on the shape it removes some amount of experience. Then the thing to focus on is to try and place the points at fairly regular spaced intervals, do not cluster a whole bunch of points tightly together and then place the next one after that a far distance away, only slowly increase the distance between points as you go to a less bent shape. That will help to reduce the amount of wiggling.
Again the key difference from what you were showing previously is that you were trying to use a too sparse set of points, put in somewhat more of them in at more regular intervals and that will help a lot.
- Michael
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