Are stone crafts solid or hollow?

Nowadays, urban stone sculpture can be seen everywhere around us, and among them, stone crafts are a relatively common type of urban stone sculpture, such as commemorative stone sculpture in parks and squares in our city, city symbolic stone sculpture, urban landscape stone sculpture, etc., a large part of them stone carving will choose stone crafts in terms of material.

In this regard, stone crafts can tell you: Although the quality of stone crafts is heavy, most stone crafts are hollow inside. One of the reasons for this is to save resources and customer cost, and the other is that it is not necessary to make it solid.
stone crafts are made of copper as the main raw material. The metal is smelted into a liquid that meets certain requirements and poured into the mold. After cooling, solidification, and cleaning treatment, a Stone Carving art with a predetermined shape, size and performance can be obtained.
stone crafts have a long history and mature technology. The craftsmanship of stone crafts is more complicated than that of wrought copper, and the restoration of artistic creation is good. The details such as stone sculpture, expression folds, etc. are delicately depicted, so they are suitable as materials for fine works, especially stone sculpture of figures.
Copper: also known as pure copper. According to national standards, copper has excellent plasticity and is suitable for forging. Therefore, copper is usually used as material for general forging. It is not suitable for casting without adding other metals.
Brass: The main components are copper and zinc, and it also contains a very small amount of aluminum and tin, according to the national standard.
Bronze: The main components are copper and tin, and it also contains very small amounts of aluminum and zinc, according to national standards. It has good casting processing performance, strong anti-acid, anti-alkali, anti-salt, anti-corrosion, suitable for precision casting, and stable coloring.
In short, compared with other materials, there are many advantages of using copper to cast stone sculpture. Of course, there are also disadvantages. Compared with other materials, each has its own advantages.