Problem to draw a cone at rectangular base

[ferrari84]

Hello everyone,

I have a problem with sketchup. I don't arrive to draw a cone at rectangular base. I don't know how to do.
I would like to draw this piece.

I wait your help.

ps : I am sorry for my english.

Thank you !

[pilou]

Try Curviloft byFredo

Minute 2.48

[cotty]

Or with basic tools...

[driven]

standard tools...

john

[ferrari84]

Thank you very much for your answers !!!!!!!!
But Cotty I don't understand the moment when you select all the piece. When I delete the lines on my piece there is a hole that appear. What is the problem ?

[ferrari84]

Thank you very much for your answers !!
But Cotty I don't understand the step when you select all the piece.
When I remove the line on the last step there are a hole that appear.
What is the problem ?
Thank you

[JQL]

you have to use eraser tool+CTRL key. This softens+smooths edges instead of erasing them.