Selecting curves to extrude

[blafar]

I am new PTC Creo, I have used SDRC I-DEAS and Siemens PLM NX. I am trying to create a non-circular tube that will have an ellipse along the bottom portion of the circular sketch. I would like to know if it is possible to select individual curves to create the extruded feature that I want to create? I have attached a screen shot of my sketch.

Thanks,

Brian

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[MartinHanak]

Hi,

if you want to use portion of existing curves, then go to Sketcher mode and use Project command to copy existing geometry.

MH

[StephenW]

I don't really understand your request but if you want the sketch to include geometry but not use it, convert that geometry to construction using right click or ctrl-g when it is selected.

Maybe you are trying to build something like the cap on the end of a tank? "Non-circular tube" and ellipse.

I think you'll have to clarify your question to get better answers.