Blind embossing card

無墨壓印 / Blind embossing

無墨浮凸和凹陷壓印是只用壓力代替油墨在紙張上留下壓痕。通過視覺與觸覺的對比創造文字、圖像或圖案,在紙張表現形成光影效果。

Cards[France]
Paper: Conqueror Connoisseur 100% Cotton Soft White 300g, Curious Metallics Lustre 300g
Printing technique: Blind embossing, Hot foil stamping

 

建議事項

  • 請細心選擇紙張的質量和磅數,從而達到理想的效果。推薦採用硬紙(如Keaykolour)和長纖維紙(如Conqueror Bamboo),以達到更好的壓印深度。但是也可以在90克以上的精細紙張進行凹凸壓印,創造更精緻的圖案。
  • 請確保尖角或頂端銳利(例如大寫字母A的頂點)進行修圓處理,這些區域容易褶皺。請使用8pt以上字體和2pt以上的線條,為了考慮到尺寸的增加,還應加大間隔。
  • 如果想加深與壓印圖案中平面區域的對比,請選擇紋理較淺的紙張。如果紋理太深,原有的紋理圖案容易與壓印圖案混淆。
  • 如果想保持印刷材料的背面平整,請在裱糊時,對壓印圖案背面進行黏合。

注意事項

  • 切勿忽視模具質量,模具好壞會影響壓印效果。黃銅模具比鋅模具更適合精細印刷和大幅面印刷,而且成本更低。
  • 切勿忽視紙張顏色的選擇:深色紙張的吸光性更好,有更清晰的視覺效果。
  • 切勿忘記壓印信箋需要使用雷射切割。使用較淺的壓印設計,並將壓印區域限制在紙張抬頭部分,否則會導致辦公設備的給紙問題。
  • 在環境或紙張過於乾燥時,不宜壓印半透明描圖紙,否則容易撕裂。
  • 切勿壓印120gsm以下的描圖紙,壓印描圖紙會導致圖像邊緣變白。
  • 切勿壓印有塗層或上過光油的紙,否則在壓印過程中容易開裂。
  • 凹凸壓印可淺可深,選擇此壓印方式時,應考慮圖案的設計與紙張選擇:例如粗體字和大型圖案可以進行更深的壓印,因此後只可以達到更好的深度和細膩度。

 

DOs
While embossing and debossing can be subtle or emphatic, both the design and paper choice should be considered when choosing the embossing or debossing style: in particular, bolder type and large designs can be embossed more deeply, and heavier papers can achieve greater depth and detail.

  • Do choose your paper quality and weight carefully to get the desired effect.Strong boards such as Keaykolour and papers with long fibres such as Conqueror Bamboo are recommended for greater dimensional depth.However fine papers from 90g can also be embossed and debossed for more subtle designs.
  • Do ensure sharp corners or points ( like the top of a capital《A》) are rounded off as they are areas of weakness and can cause creasing.Do use fonts above 8 point and lines thicker than 2 points.Spacing should also be increased to take into account added dimension.
  • Do choose a slightly textured paper if you wish to create a contrast with the flat areas of the embossing.Do keep in mind though that a ghost pattern of the original texture could compete with the embossing if the texture is too strong.
  • Do duplex the back of your embossing if you wish to have a flat surface on the back of your printed material.

DON’Ts
Blind embossing and debossing leave an impression on the paper, using pressure instead of ink.Visual and tactile contrasts create text, images or patterns, playing with light and shadows on the surface of the paper.

  • DON’T neglect the quality of the die, it can impact on the embossing quality.Brass dies are better than zinc for detailed pieces and longer runs, but more costly.
  • DON’T neglect the choice of paper colour: dark papers will absorb light more, resulting in a planer visual effect.
  • DON’T forget embossed letterheads are meant to go through a laser printer.Use a shallow emboss design and limit the area to the header of the sheet, or it could cause feeding problems in office equipment.
  • DON’T emboss translucent if the paper or environment is dry because it can tear.
  • DON’T emboss papers below 120g for translucent.Embossing clear translucent will cause the image edges to go white.
  • DON’T emboss coated or varnished papers, as these are likely to crack during the process.

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