# How to connect end and beginning of a “ring” with a cutout?

I am an absolute beginner in blender and failing at a very simple thing. I have a line lying in a plane. I want this line to have an extension in that plane, i.e. I want to make it a two-dimensional object. I do so by increasing the extrude parameter in the section geometry of the menu to 0.1. What I then get is the following:

I now want to connect the end and the beginning of that object, i.e. to close the cutout of it. From other questions I know that I can achieve this by marking the field U in the section Active spline of the menu. The problem is that the shape of the whole object changes in a very undesired way...

How can I perform the aformentioned connection in a way that preserves the shape shown in the first picture, i.e. in a way in which the extension of the the object stays in the plane defined by the original line etc.?

I attached a blend-file of this minimal-example:

• Apply rotation and scale to your curve object – Mr Zak Jun 19 '17 at 13:30
• @MrZak Although I figured it out how to do it pressing F (thanks to your comment below @Lukasz-40sth post), could you explain for a beginner how to do this? More precisely what exact do you mean by "apply roation and scale"? – DonkeyKong Jun 19 '17 at 14:12
• See manual article on that. Tl;dr is: press Ctrl+A in Object mode and choose Scale and then Rotation. After that no more edits will be needed for curve, just pressing Alt+C will be enough to close it, – Mr Zak Jun 19 '17 at 15:01

Select all vertices at the "start"-edge and all vertices at the "end"-edge, after pressing ALT + C and selecting Mesh from Curve/Meta/Surf/Text. Then press F.