Inkscape- Outer Perimeter Lace Trim Designs

Make a lace trim around the outer perimeter of your designs with path effect editor in this tutorial.
http://www.penguintutorials.com/tutorials/inkscape/outer-perimeter-lace-trim-designs

Inkscape- Snowflakes and Other Symmetrical Shapes

Follow this link to create Snowflakes in Inkscape by simply using duplicates and rotation.
http://www.penguintutorials.com/tutorials/inkscape/snowflakes-and-other-symmetrical-shapes

Inkscape- Random Designs from Warping Stars

You can create Random Designs from Warping Stars with Inkscape by following this super easy tutorial.
http://www.penguintutorials.com/tutorials/inkscape/random-designs-warping-stars