折纸应该用什么纸，折纸需要哪些工具

　　折纸应该用什么类型纸?

　　标准折纸纸张(也称为kami)一面有色，另一面是白色，而且相当薄。这是最便宜和最常见的折纸纸张，但对于本书中的大多数模型可能不合适，因为它容易撕裂并且不能保持形状。

　　对于复杂的折纸作品，预计您的第一次尝试可能会出现一些错误 - 我将把这样的模型称为测试模型(在其他地方通常称为testfold)。只有当您对折纸顺序更加熟悉时，您才会制作出更加完善的版本 - 称为展示模型。

　　对于测试模型，唯一的纸张要求是您能够进展到足够的步骤，以便观察所有步骤，并为制作展示模型做好准备。我建议您使用任何经济实惠的纸张进行练习(我经常展开其他模型，然后在同一张纸上进行测试模型的折叠)。

　　然而，每个模型都有特定的纸张属性要求，以制作最有效的展示模型。这些属性可能是以下之一：

　　● 双面 - 纸张的两面颜色不同。这适用于那些需要颜色变换的模型，也就是有意使用纸张的两面，使最终的模型呈现两种颜色。

　　● 薄/超薄 - 大致来说，纸的克重小于50gsm / 30gsm。在模型的某些部分有许多折叠层时，这是必需的。

　　● 可塑 - 纸张在折叠后会保持形状。三明治纸张 - 由两层纸巾包裹一张薄箔纸 - 在这里特别有效。

　　● 湿折纸 - 纸张在折叠成形前可以变湿，然后干燥后仍保持形状。这种技术是可选的，可以替代使用可塑性纸张。

　　● 有纹理 - 纸张不完全平滑，对于模拟毛发、鳞片、木纹等非常有用。

　　● 耐撕裂 - 纸张足够坚固，不会在特别高的压力点撕裂。

　　您可以根据上述属性选择纸张，或者使用推荐的纸张。如果您愿意花费时间，一种特别好的选择是准备双层纸张，这样可以在一张纸上满足大部分上述要求。

　　接下来是如何制作双层纸张：

　　有多种类似的方法可以制作双层纸张。以下是我使用的方法，适合制作45cm / 18''大小的纸张。

　　折纸需要哪些工具：

　　● 一个大而平坦、不吸水的板，宽度和长度至少为55cm / 22''。一张玻璃板是常见的选择，但标准的“自愈合”切割板也能很好地完成任务。这个板子应该比您需要的纸张尺寸更大。

　　● 两张大的纸张，宽度和长度至少为50cm / 20''。

　　● 甲基纤维素粉末(MC)。

　　● 一个勺子或其他混合工具。

　　● 一个带盖子的瓶子。

　　● 水。

　　● 一个长的圆筒。

　　● 一支宽画笔。（以上文字有英文版翻译而来，可能会存在翻译误差，请看下面英文原文）

　　What type of paper should I use?

　　Standard origami paper (kami) is coloured on one side and white on the other and is reasonably thin. This is the cheapest and most readily available origami paper to use, but won't be appropriate for most models in this book, because it has a tendency to tear and won't hold its shape.

　　For complex origami, expect your first attempt(s) to have some mistakes – I will refer to such a model as a test model (this is often called a testfold elsewhere). You will only make a more polished version – called a display model – when you are more familiar with the folding sequence.

　　For test models, the only paper requirement is that you can progress far enough to see all the steps and prepare yourself for making a display model. I recommend using whatever paper means you can practice most affordably (I often unfold other models and use the same sheet of paper for test models).

　　However, each model has specific paper attributes required to make the most effective display model. These attributes might be any of the following:

　　● Duo – The paper has different colours on each side. This is for any model which has a colour change,meaning it deliberately uses both sides of the paper so the final model uses two colours.

　　● Thin/ultra thin – Roughly speaking, the paper weight is less than 50gsm/30gsm respectively. This is needed when there are lots of layers in some parts of the model.

　　● Shapeable – The paper will stay in place after folding. Sandwich paper – two layers of tissue paper surrounding a sheet of foil – is particularly effective here.

　　● Wetfoldable – The paper can be dampened before being folded into shape and will then stay in shape after it dries. This technique is an optional alternative to using shapeable paper.

　　● Textured – The paper is not entirely plain, useful for mimicking fur, scales, wood etc.

　　● Tearproof – The paper is strong enough that it won't rip at particularly high stress points.

　　You can either choose your paper based on the attributes above or use the recommended paper. One particularly good choice, if you are willing to invest the time, is to prepare double tissue paper, which satisfies most of the requirements above in one paper.

　　How do I make double tissue paper?

　　There are multiple similar methods people use to make double tissue paper. Below is the method I use, with

　　measurements suitable for making a 45cm/18'' sheet.

　　You will need:

　　● A large flat, non absorbent board, at least 55cm/22'' in width and length. A sheet of glass is a

　　common choice, but a standard 'self-healing' cutting board does the job perfectly well here. This should be larger than the tissue paper you will need.

　　● Two sheets of large tissue paper at least 50cm/20'' in width and length.

　　● Methyl cellulose powder (MC).

　　● A spoon, or another mixing implement.

　　● A bottle with a lid.

　　● Water.

　　● A long cylinder.

　　● A wide paintbrush.

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