Originally Posted by AngelinaMaria

I have the Sewline mechanical pencil set but found that I had to press hard to leave a mark and felt like I was stretching my fabric (drawing diagonal line on square to make HST felt like it was distorting the fabric too much).

I've been using a washable marker pen for now but need to figure something else out for marking lines that are on the seam line (like when you need to mark a square to make a snowball block) and could potentially be visable in the finished quilt block.

Originally Posted by auntpiggylpn

If you are marking the diagonal line to make HST, you can use anything you want because that line will never be seen! I just use a regular pencil or pen that goes on smoothly. No need to use your special (and sometimes pricey!) marking pens!!!!

Originally Posted by kbishburg

I have used the white marker and the black one. they both stay on nicely although I haven't marked anything more than about a week ahead. They kind of erase out and so far I have used a wet rag but they say they are washable.