Software
Creating Quarter-Circles in Adobe Illustrator
Here’s a quick way to draw a quarter-circle in Adobe Illustrator. It involves using just one tool: the arc tool. These instructions will work in Adobe Illustrator from CS–CS5. How to create a quarter-circle (or quarter-ellipse) in Illustrator Select the arc tool. (Click and hold the straight-line–segment tool to bring up the sub-menu of additional … Continue reading … Continue reading Creating Right Triangles in Adobe Illustrator
Here’s a quick way to draw a right triangle in Adobe Illustrator. It involves using just two tools: the rectangle tool and the pen tool. Don’t worry if you don’t have much experience with the pen tool—we’re using it very simply. The method: draw a rectangle or square and then use the pen to delete a corner, instantly creating a right triangle. … Continue reading

