Flip horizontal or rotate the shape to cap different borders.

水平翻转或旋转该形状可连接不同的边框.

Right - click and choose Shape > Flip Horizontal for return to right.

右击并选择“形状”>“水平翻转”可转到右侧.

Copy the layer that we've got and turn it around: Edit - Transform - Flip Horizontal.

复制层，点击编辑-变换-水平反转。这样我们就有对称的两个眼睛了。