以对称图形创作图案

在按此前课程中此处所列步骤完成一幅放射对称构图的绘制后，我们为其拍照，并将图片插入共享至 Google Classroom 的 Google Slides 网格中。

以下是放射对称绘图的具体步骤：你需要一小张描图纸、一张带方格的画纸（如下图所示）、一支铅笔、一支记号笔，以及四支彩铅。

下方可下载 PowerPoint 格式网格文件。其中包含若干该活动的范例（PPT 及 Google Slides 版本）。

compito-composizione-modulare-digitale-20-21下载

PPT 网格范例

Google Slides 网格范例

先将所绘图形调整为适合 PPT 网格的尺寸，再将其复制并粘贴 16 次至网格中，从而创作出精美的图案！

Pattern with symmetrical drawings

After drawing a composition in radial symmetry following the steps you can find HERE in a previous lesson, we took a picture and insert it in a Google Slide grid, shared in Google Classroom.

Here you are the steps for the radial symmetry drawing. You need a little piece of tracing paper, a sheet with squaring as in the picture below, a pencil, a felt-tip pen and 4 colored pencils.

Here below you can download the grid in ppt. There are some samples of the activity in ppt and in Google Slide.

compito-composizione-modulare-digitale-20-21Download

sample of the ppt grid

sample of the Google Slide grid

The drawing is reduced o the right size in the ppt grid, then you copy it and paste it 16 times into the grid, in order to create beautiful patterns!