Instead of drawing pixels, you draw a mathematical path and stroke it after creating a custom brush preset.
: Choose your line thickness (Line width) and click Stroke . Method 2: The Pro Way (Arrow Script) how to draw an arrow in gimp
There is on drawing an arrow in GIMP. The most useful practical document is the Davies Media Design tutorial (Google that title). The most official is Section 7.3 of the GIMP User Manual on "Paths." Instead of drawing pixels, you draw a mathematical
If your professor requires a citable source, use this: Instead of drawing pixels
This is the standard way to create an arrow without installing anything extra.