The quality of these images is not great - I apologise. The coloured ballpoint, in particular, has not reproduced well in photos. Next time, I will scan.
Here are my pen personalities. This was a useful activity because I hoard black pens (and have just bought a Tombow as well as a couple of other Japanese brush pens just before the course). An overview of what they can all do is going to be helpful.
The hatching exercise was harder than it looked. It requires lots of patience and huge amounts of practice. I have a way to go yet.
I used coloured ballpoints for most of this. I realised afterwards that I do have some coloured fineliners somewhere. I used a slightly thicker felt tip (second column from the right) - not a good idea but could be useful on a much larger scale. I concluded that certain combinations produced a pleasing result, colourwise, including turquoise and green, orange and blue, and blue and purple.
I decided to try these out in a leaf design. I wanted to create different tonal values. Again, this requires patience and quite subtle hatching, which I have not managed overall.
I noticed that Jen had used a wax resist in one of her images. I decided to try this and drew random lines across the paper with a birthday cake candle. Over this, I painted a random background in watery gouache, and over this I added some hatching marks.
Finally, I repeated the candle resist and drew three abstract figures on a pale watery ground and cross-hatched within the lines.
I found the videos / course useful - thank you, Jen. Cross-hatching is an essential technique to master in drawing and the course brought home to me how much I should continue to practise it.