AADHIL's avatar
AADHIL 4 months ago
In that picture what type of pen was used? If that pen ink invisible after specific time very useful else need to buy new one

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No, it's a Micron art pen size .005. They cost about $3 each and so far, this one has lasted. Almost any fine point pen fine. The generic workbook I'm using outside of this one has letters so big a regular cheap ballpoint pen works best on that one. The electronic PDF one-- well you can just load another copy and start tracing again with the tablet pen or stylus too.