How to distinguish between computer embroidery machine embroidery and hand embroidery?

Update:14 Sep 2018
Summary:

First, look at the line light. The embroidery thread or […]

First, look at the line light. The embroidery thread originally used for machine embroidery is of chemical fiber texture, and often the double strands are braided together, like a thin hemp rope. Such machine embroidery is easy to distinguish. Later, the machine embroidery improved the embroidery thread, using a chemical fiber to add a small amount of silk-blend embroidery thread, and changed it to a single strand, which is very close to the pure silk thread. Regrettably, although the machine embroidery that comes out of this is very similar to hand embroidery, there is a layer of thief light on the embroidered surface, which is quite different from the luster of silk. Those who are familiar with silk will know at a glance. Fortunately, the embroidery can not completely use the embroidery thread of pure silk. Because the needle movement speed of the embroidery machine is very fast, if pure silk thread is used, it will definitely pilling. Moreover, the strength of the pure thread is not enough and it is easy to break.
Second, look at the color configuration. The color choice of machine embroidery is limited, and the transition between color blocks is relatively stiff. Can be seen from afar and can't be played. The color of hand embroidery is rich, and there are many levels of transitional intermediate colors. The picture is delicate and vivid, and the style is smooth.
Third, look at the line. Hand embroidery needs to be made into 16 copies and 32 copies according to the needs of the modeling and the process, and the maximum can reach 64 copies. Then use several of them to make embroidery. Therefore, in hand-embroidered works, the thickness of the embroidery thread is rich and varied. There are always 2 or 3 different thickness lines, or up to ten different thickness lines. Machine embroidery can't be twisted at first. Later, after improvement, began to use different thickness lines to make different areas. However, the selection of the embroidery thread thickness of the machine embroidery is limited, and it seems that there are generally only two types. Perhaps in the future, machine embroidery will use more thickness options, but it is still difficult to achieve the level of hand embroidery.
Fourth, look at the details of the shape. The machine embroidery can't handle the details such as the edge and tip of the shape. For the meticulous style of flowers and birds, hand embroidery can be used to embroider the petals very evenly, cleanly and exquisitely using appropriate stitching. The edge and tip of the petals made by machine embroidery are fuzzy, chaotic and jagged. The same is true for other details, such as the tip of a bird, the texture of a feather, the back of a blade, and so on. Now, machine embroidery has made significant improvements in these details, but it is still incomparable with hand embroidery.

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