Now switch to Border mode (keyboard shortcut "3") and select all four borders of our shape (two on top + two on the bottom). Borders define holes in polygonal geometry.
Hit the Cap button to close these holes with new polygons. We now have a clean rounded geometry ready for the creation of our armchair's back and armrests.
We have just opened our tutorial directory! Feel free to submit tutorials hosted on your website or other online tutorials that you think are worth mentioning.