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Now I've built up the structure of the model and I'm ready to go in and adjust the form. I can do that by changing the shape or the transforms of the original curves. I will go into Curves sub-object mode, and you can see that if I click on any one of these curves, it will be highlighted in red indicating that it's selected. And once it's selected, I can move it and I can adjust the shape of the object. However, as you see, when I move that around my surface temporarily disappears until I release the mouse.
This is actually an intentional design choice in 3ds Max. The NURBS toolset was created some time ago when computers were a lot slower, and that was necessary in order to maintain performance. Well now computers are a lot faster, so we can go ahead and turn that option off. That's going to be found at the top level in the Modify panel. I will need to exit out of sub-object mode, and what I am looking for in the General rollout is this switch that says Transform Degrade.
What that means is, when I transform part of the object, it's going to degrade the display. I will turn that off. Then go back down into Curve sub-object, and you can see what I'm doing as I work. That's much more effective. I can use all the standard tools like Scale, select another curve, and scale that too. Maybe I will select this bottom curve and scale that up. I also want to have a little bit of a lip at the bottom here. The means I am going to create an extrude surface that just go straight down.
To do that I will move this bottom curve up just a little bit, go to the Ortho views with Alt+W, and I will dolly-in in the front viewport, grab the Move tool, then just move this up a little bit, maybe a couple of centimeters. I can see at the bottom of my screen how far I am moving it. I will just put that at about 2 centimeters up. I can spend a lot more time editing this if I needed to. I could go into Curve CV mode and I could edit these individual curve points.
For example, this one, move that around, and try to shape that up a little bit. We don't have a lot of time to do that in the lesson. I just wanted to illustrate to you that you have the ability to change the surface by moving the curves or by moving the curve control points.
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