Snake Skin Shader Texture

Snake Skin Shader Texture

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Snake skin may either refer to the skin of a live snake, the shed skin of a snake after molting, or to a type of leather that is made from the hide of a dead snake. Snakes can be ornately patterned. They can be striped, banded, solid, green, blue, yellow, red, black, orange, brown, spotted, or have a unique pattern all their own. These color schemes can serve many functions, including camouflage, heat absorption or reflection, or may play other, less understood roles. Melanin cells in the skin often overlap and form complex patterns and sheets that are highly recognizable. Sometimes the soft integument of a snake is colored differently than their hard scales. This is often utilized as a method of predator determent. Coloration of snakes is largely due to pigment cells and their distribution. Some scales have lightly colored centers, which arise from regions with a reduced cuticle. A thinner cuticle indicates that some sensory organ is present. Scales in general are numerous and coat the epidermis, and they come in all shapes and colors. They are helpful in identification of snake species. Chromatophores in the dermis yield coloration when light shines through the corneal layer of the epidermis. There are many kinds of chromatophores. Melanophores yield brown pigmentation, and when paired with guanophores, yield grey. When paired with guanophores and lipophores, yellow results, and when guanophores and allophores are added to melanophores, red pigment results. Carotenoids also help produce orange and red colors. Dark snakes (dark brown or black in color) appear as such due to melanocytes that are active in the epidermis. When melanin is absent, albino individuals result. Snakes do not possess blue or green pigments. These arise from guanophores, which are also called iridocytes. These reside in the dermis. Iridocytes are also responsible for the iridescent appearance of many dark-colored snakes. Males and females may show varied coloration, as might hatchlings and adults of the same species. Snakes belong to a group of reptiles called the Lepidosauria, which are reptiles with overlapping scales. They further are grouped down into the Squamata, which includes all snakes and lizards, and all but two species of Lepidosauria that belong to the Rynchocephalia(the tuatara). The species belonging to both of these subgroups likewise share similar skin features with snakes, with unique adaptations and features, respectively. The molting of the skin occurs regularly in snakes. This is when old skin is outgrown. In the case of snakes, it is called shedding or ecdysis. Snakes will rub against rough surfaces to shed their skin. A shed skin is much longer than the snake that shed it, as the skin covers the top and bottom of each scale. If the skin is shed intact, each scale is unwrapped on the top and bottom side of the scale which almost doubles the length of the shed skin. While a snake is in the process of shedding the skin over its eye, the eye may become milky. This impairs the vision of the snake and may result in aggressive behavior. Snakeskin is used to make clothing such as vests, belts, boots or shoes or fashion accessories such as handbags and wallets, and is used to cover the sound board of some string musical instruments, such as the banhu, sanxian or the sanshin. Snake leather is regarded as an exotic product alongside crocodile, lizard, ostrich, emu, camel, among others. With crocodile and lizard leathers, it belongs to the category of reptile leathers, with a scaly appearance.

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