I don’t want to purchase gundam panel liners if I can.
I don’t want to purchase gundam panel liners if I can.
Take some black paint and dilute with water to a 1:3 ratio
It makes a wash, which in addition to panel lining, if applied in high enough quantity, will also darken the model and pool in certain spots depending on how you have said model held up.
Fine tipped sharpie pens work fine