My method really doesn't need a compass though. The GiMP graphics editor is free to download, and it can easily be used to create angled lines as described in the tutorial. You can also massively cheat the whole process and download my finished star as a template and make it smaller or bigger to suit your need. Introduction: How to Draw a 5-point Star. By TheFrankTurk Follow.
More by the author:. About: I make things so you can make things. Out of stuff. More About TheFrankTurk ». Second: draw the circle of the radius size for your star. A sample of one star I made using this technique is shown above. Did you make this project? Share it with us! I Made It! The first step in making our star is to make a circle. Why, you ask? Everyone knows the circle tool. Give AutoCAD a center point anywhere and type in a radius length, and you get a circle.
It saves a lot of time. Going the other direction, what is the largest number of sides a polygon can have? An infinitely large number. And the larger the number of sides gets, the more the polygon resembles—you guessed it— a circle. Starting the Polygon tool, we notice that nothing happens until you tell AutoCAD how many sides you want your polygon to have. The command line says:. The default number is 4, but since it is shown between pointy brackets, you must either keep it or change it and then hit [ENTER] to continue.
Next AutoCAD directs you to specify the center. Now comes an interesting question. Note that if we had not drawn a circle, there would be no circle in our drawing. Nevertheless, AutoCAD is referring to an imaginary circle in its interior process. But it wants you, the designer, to tell it which of two methods to use. This Instructable is written for those just learning and starting out with AutoCAD with the purpose passing on some good advice. It assumes some facility with the computer. I will show how to make the star above using four basic and extremely useful commands.
First, a little intro. I joined the TechShop a couple years ago. I had done electronics design and programming, but was always interested in building things. In my first tour of the TechShop, I was amazed by all the new tools: laser cutters, plasma cutters, ShopBots, and such. To me then, the most impressive machine was the waterjet cutter, which I knew something about from welding classes I had taken.
The bottom line for all these machines is that you need a drawing, and AutoCAD is one program to make drawings that can be used by these machines.
I took the introductory course and set out to learn in by myself, with the help of books and tutorials. Despite my enthusiasm and good intentions, I struggled to get drawings done and learn AutoCAD, Finally, I signed up for a course at the local community college, Laney College, in Oakland.
About the third week, the instructor told us that in his mind, there were 4 commands that would be extremely useful to make drawings: 1 copy, 2 offset, 3 extend, and 4 trim. It's been a year and a half now, and I am now fairly accomplished with AutoCAD having done a number of projects, some of which were fairly complex. Throughout this work, I have thought about that class, and my instructor's comments about the "4 commands", and just how useful they are!
I wanted to share this idea for learning AutoCAD and to illustrate how these commands might be used to create a simple drawing of a 5-point star.
Actually, making the star with these commands really only requires a couple dimensions and a couple rotations. To illustrate these commands--copy, offset, extend, and trim--I thought it might be useful to make a star. The commands work best when you have your snaps set correctly. They are set at the bottom of the screen in the status bar. I recommend getting to know this. The first step is to create a vertical line. It doesn't matter where it is, or how long it is; just a vertical line line.
We can extend it or trim it later. Holding the shift key down when drawing the line will ensure that it the line is vertical. Next, make two copies of the line to other points on the screen. You can grab the copy command from the ribbon, or use the command line and type, COPY--actually, just typing "CO" is sufficient. Next rotate the copied lines 72 degrees. Rotate one line 72 degrees and the other degrees. Note: to create the five point star, we need to find five points equidistant from the center, that is,one a circle around the center.
Using the "copy" command, copy the newly rotated lines to the base of the original vertical line. Actually, you might have used the "move" command, but with the copy, we still have the two rotated lines on the screen. Rotate these lines again by 72 degrees: the one that was rotated 72 degrees is rotated again by 72 degrees, and the one rotated by degrees is rotate similarly by degrees. At this point you will have a screen like above. After you have rotated the lines by 72 and degrees for the second time, copy this lines to the base of the original vertical line.
After you have 5 lines separated equally at 72 degree angles, create a circle of diameter 10 at the point where they all intersect. To create the Circle, you can use the ribbon at the top, or just type 'C' in the command line and defined the diameter as '10' when prompted.
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