Drag a polygon from the toolbar, draw a hexagon, press and hold down the shortcut key to reduce the number of sides of the polygon, thus drawing a triangle, fill the color. Select a triangle with the selection tool to change the shape of the triangle by stretching
Hover the cursor over the corner of the triangle, and an arc will rotate the moving triangle.
Overlap The two triangles and place the inverted triangles at the top level. If the inverted triangle is not at the top level, it is placed in the top layer by right-clicking the arrangement.
Copy and save the inverted triangle, bring up the Pathfinder, minus the top level
That's what it looks like.
Ctrl+f paste in place and drag up the inverted triangle upward.
CTRL + "+" zoom in; Ctrl + "-" Zoom out, adjust the position and size of the graphic
In the same vein, the left Triangle
Press A|t+shift to copy the triangle. Hold down SHIFT and drag the triangle so that the triangle only moves up or down, not biased
The last exported PNG format icon:
Of course, you can make the icons look better by changing the fill color of the graphic.
Envelope app Icon Drawing