I used relatively pale colors and since they all match with each other .
All the shapes were printed out on the marker sheet for us so we dont have to skecth them out, instead we use 0.7 blue pencil to make the edges darker. Because originally the lines were really tender which you cant see them very clearly.
If you want to let some of your particular designs to stand out, simply make the egdes darker than others.
I found this technique really useful! As you could see on the left hand side, i used blue pencil for the whisk in the middle therefore the edges are thicker, and you probably noticed it at once because it stands out the most!
After blue pencil work i started by applying fine line work using a combination of 0.3 and 0.5 fine line pens.
the image left shows the thinest lines (0.3) that would allows me to show the most detail parts in the overall work.
Then more thick lines applies around the outside edge of all the shapes to make the designs look more 3D and stands out more.
The two close-up images above show the difference between 'with shadows' and 'without shadows'. Even though they share a same color pallet, the one with shadows still looks much more realistic, and catches viewers' attentions right away, whilst the design below has a more flat overall effect. This tells the importance of the shadows.
The image right shows my final outcome for this extension work, ive added other colors other than the ones showed at the very beginning such like orange-red and grey, just to make the page more playful and seems more interesting.
slightly turn the tip of the marker to its thinner bit for more detailed lines.
color should be applied the most to the edge of the shape which is furtherest away from where the light comes from.
All edges should always be dark, and wisely select the edges to apply more shadows in order to create more realistic appearance to the designs.