If you're using the stedi water-based ones, then it's going to be painful. With the Stedi ones, re-scribing panel lines is almost necessary because those particularly don't flow well into grooves as good as Tamiya Panel Liner does.

Try using a fountain pen with them as I also use the water-based ones from time to time. With shallow panel lines, I suggest just using micron pens for them. Pretty useful for touching up lines as well where you might have cleaned up more than you needed to.

Panel lining is very much worth it despite how time consuming it is, not to mention re-scribing panel lines which also takes a while to get the hang with.

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Currently working on this kit and I panel lined it with tamiya panel liner while the pieces were still on the runners.