材料不同形状的叶子、石膏粉、一次性透明塑料杯、一次性碟子、镊子、餐巾纸、小木棒、剪刀、药匙。将白纸覆盖在硬币上,用铅笔在纸上反复涂写,你会看到硬币的图形慢慢地显露出来。你也可以将一片背面涂上颜料的叶子放在白纸上,再在叶子上盖上另一张白纸,用手指隔着白纸轻压叶片。揭开叶片,你会发现叶脉清晰地留在白纸上了。这两种“作图”的方法称为拓印,很像是在“复印”叶片。拓印的方法很多,现在再给大家介绍一种石膏拓印方法。 Materials Different shapes of leaves, gypsum powder, disposable transparent plastic cups, disposable dishes, tweezers, napkins, small sticks, scissors, medicine spoons. Cover the white paper with a piece of paper and write it over the paper with a pencil. You will see the coin’s shape slowly revealing. You can also put a piece of paint on the back of the leaf on the white paper, and then covered with a piece of white leaves on paper, fingers pressed across the white leaves. Open the leaves, you will find the leaves clearly left on the white paper. These two “drawing” methods are called rubbing, much like the “copy” blade. There are many ways to make rubbing prints, and now we will give you a gypsum rubbing method.