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The addition of elements of luminous light to PLA as a substrate, after a brief absorption of natural light or light, emits a specific color of light in a dark environment. There are luminous red, luminous green, luminous yellow, luminous purple and other colors.

The addition of elements of luminous light to PLA as a substrate, after a brief absorption of natural light or light, emits a specific color of light in a dark environment. There are luminous red, luminous green, luminous yellow, luminous purple an...

The addition of elements of luminous light to PLA as a substrate, after a brief absorption of natural light or light, emits a specific color of light in a dark environment. There are luminous red, luminous green, luminous 

The addition of elements of luminous light to PLA as a substrate, after a brief absorption of natural light or light, emits a specific color of light in a dark environment. There are luminous red, luminous green, luminous yellow, luminous purple and other colors......

The addition of elements of luminous light to PLA as a substrate, after a brief absorption of natural light or light, emits a specific color of light in a dark environment. There are luminous red, lumino...