This could vary depending on the pen, but it would most likely be a right, circular cone, frequently with the tip removed.
Point
a point, dot, hole, vagina you can use any of those 4
A point.
To provide a thrust. Otherwise they would simply turn round and round. They need to go through the fluid in the manner of screws.
This could vary depending on the pen, but it would most likely be a right, circular cone, frequently with the tip removed.
A sphere perhaps
Point
A point
Point
Well it depends on the type of pen, for most pens it is called a ball point because there is a little ball at the tip of the pen.
feutre\ means felt tip pen
a point, dot, hole, vagina you can use any of those 4
a point, dot, hole, vagina you can use any of those 4
a point, dot, hole, vagina you can use any of those 4
For ball-point pens, the tip of the pen is actually made of a ball bearing, and so the tip of the ball-point pen would be a point until it is worn or not manufactured properly, in which case it might be abit flattened.
the felt tip pen was invented in the 1940s