Dark tip: the pen tip is hard, suitable for daily writing shorthand. In the early days, ink was easy to dry. Using a dark nib can prevent the ink on the nib from drying quickly, but now that technology has improved, there is no such worry.
In addition, the tip can be made into many styles and looks dazzling. Most pens abroad are sharp.
Pens are classified according to the elasticity of the nib.
Generally speaking, it is best to use dark tips or other hard tips in writing, because many of them are more elastic when they are inlaid with bright tips and semi-bright tips.
For beginners, it is not easy to control. For beginners, it is best to have a non-elastic tip. They mainly practice font structure and don't care too much about the change of stroke thickness, so they use dark dots. A sharp pen is harder, writing is more convenient and harder, and strokes are easier to control.
If you have a certain calligraphy foundation, of course, you should look at your personal preferences and be flexible and keen. Some people like high softness, others like low softness, and different roles have different requirements.
Professional calligraphy, we must use art pens, that is, sharp and dark, depending on personal preferences. The thickness of strokes with this pen depends not on the elasticity of the pen tip, but on where it is written.
Extended data?
Pen is a kind of pen writing tool with metal as the main body. It holds pen ink (mostly black or blue) through a hollow pen tube, and then writes through a duckbill pen through gravity and capillary action. It can be said that it is a writing tool of western calligraphy.
Most pens can be replenished with ink. Generally speaking, vials or straws such as eye drops are used to supplement the kit. The earliest historical record of fountain pen can be traced back to 10 century, and this earliest fountain pen has been used until 18 century. The development process was very slow, but it was not until the beginning of the 9th century that a pen with stable and accelerated flow was invented in the production process.
Only three key inventions have made the pen a widely popular writing tool. These inventions are: gold nib made of iridium, hard rubber and free-flowing ink.
References:
Baidu encyclopedia-pen