[LYRA - Lyra: thick shaft pencil.

Axis part looks like a pattern shall be the one sunken and the snug on your fingertips.
And to use less grip so easy to hold in the triangular axes charmy, children are perfect.

And yet here is a watercolor type, so on and brushes with water after depicting in watercolor


Shaft diameter is 15 mm, length 120 mm core thickness is 10 mm there.