Handmade leather goods inseam piping process

The inseam is After the two pieces of leather are sewn together, turn them over. In this case, you can choose direct inseam or piping process during sewing. The piping process can increase the strength of the structure, increase the flipping angle, and serve as the skeleton of the entire bag to make its shape more distinct. When turning over seams, you can choose to sew with punching or cutting, which can prevent the leather from being dislocated and being torn after being turned over and stretched.

Piping process, After folding the leather in half, sandwich it between two pieces of leather and sew in reverse, so that a sandwich appears after folding. Filling can be added to the mezzanine. Generally, materials such as cotton threads, leather ropes, and plastic tubes can be filled to increase the fullness of the mezzanine. The sandwich material in the middle of the piping generally needs to be thinned and should not be too thick. Excessive thickness will affect the effect of the finished product, especially in some turning places. Too large an angle or too thick material will affect the effect after folding.

@美儿s Anu piping is generally used for relatively soft leather. Chrome tanned leather is used more often, and vegetable tanned leather is used relatively rarely. Of course, it is still used now. When some brands and studios make piping, they no longer use leather materials for the interlayer, but instead use some high-strength, wear-resistant synthetic materials, such as PVC, etc. The advantages and disadvantages of piping are also obvious. The advantages are beautiful, refined, and functional. The sense of layering; the disadvantage is that the production is cumbersome and requires certain craftsmanship. / Novice experience / It feels difficult to cut when three layers are glued together, and they are slanted, so I just rely on feeling ~ After sewing them on, I was stunned when I turned them over.

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The glue is finally exposed ~ How should the position of the cutting edge be determined? If the three layers are not easy to cut, why will they break? @Kaifengmen If it is not an all-inclusive piping, just punch holes separately. I usually use piping Thin leather, 0.6-0.8, then the piping should be sandwiched, use thin cowhide rope, if it is not a full piping, make it longer than the length of the piping, punch holes separately, then cut off the sandwich at the beginning, and grow out the end Cut off the part, personal experience. @Zhengjia’s Zhien punches the holes separately, and the positioning must be accurate. If you use chopping, remember to keep the direction of the chopping holes consistent. The skin of the piping should be thinner than the skin on both sides. The piping and both sides The skin does not need to be glued, just sew it on directly. @风风狠JJ熟蛋quiver I punched the holes separately. The margins of all the holes are 5MM. The piping is rather curved, so you need to correct it after each punch. For gluing, I only press the edges, not the middle. This way, after pressing the edges, the middle will naturally be empty. There is also the problem of sticking. Personally, I think you only need to glue the rolled edges and the straight edges. If they are both straight, feel free to glue one side. , the holes should be aligned, and I don’t glue the third side, so it is easier to operate./Video learning/https://v.youku.com/v_show/id_XMTMzNTQ4MzM3Mg==.html Reference production video by @MINI Leather Art Handicraft

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Inseam piping