Inkscape 1.0 tutorial round corners
http://www.youtube.com/watch?v=Vh4iayDj7ac
http://www.youtube.com/watch?v=Vh4iayDj7ac
http://www.youtube.com/watch?v=XB5fl98d2FU
http://www.youtube.com/watch?v=aIPsZXsymk8
http://www.youtube.com/watch?v=gheDKtgt_MU
http://www.youtube.com/watch?v=SV9ZToNiDx0
http://www.youtube.com/watch?v=AYZuUxp0JlQ
http://www.youtube.com/watch?v=L8ql9owBqA0
http://www.youtube.com/watch?v=PSq2cl5XyYA
https://www.youtube.com/watch?v=IdnP270UY-A
https://www.youtube.com/watch?v=kr4lKkfv3lM
https://www.youtube.com/watch?v=VAnBgrd82ho
https://www.youtube.com/watch?v=TFcPYtGN9vQ