High Resolution 3D Printers for Professionals | NOVA3D

At present, 3D printing is used in many fields, but most 3D printing models are monochrome and require post-coloring.

Pure Handmade:

Manual coloring is a more common method of coloring.

If you want to get a good color effect, you will usually prime a light-colored paint on the model(light gray or white) and then print the main color,  to prevent the phenomenon of uneven color or discoloration. Cross-painting is the main method of painting. First, apply the first layer , each stroke is in the same direction (such as from left to right).When the first layer is dry to 70% or 80%, start the second layer coloring, which the direction of brushing is perpendicular to the first one (such as from top to bottom). The pigments for use mainly include the water-based paint and the oil paint. The adhesion and color performance of the water-based paint is slightly worse than oily paint (especially in the color performance), but it is less toxic or non-toxic. The effect of manual coloring is mainly affected by the operator's proficiency , so the effect fluctuates greatly.


Spray Painting:

Spray painting, one of the main coloring processes for 3D printing models.

Most of the spray cans are oily paints with the high adhesion, the wide application range and the good color gloss. ,But the color is relatively single, and it is more difficult to apply multi-color spraying due to the influence of the spraying technology and the paint drying degree. After spraying, it takes 3 to 4 hours to air and fine-tune the details. In terms of product effect, it is also influenced by many factors, such as the level of manual proficiency, the degree of mastery of secondary coloring, the connection of spray points, etc., so the technical demand is relatively high. The hand painting and the spray painting are often used together for the same work.

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