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Illustrator Tutorial: How to Create Vector Polygonal Background Quickly Using Triangulator

posted by: Iaroslav Lazunov, in Illustrator Tutorials / Effects/ Comments: 7
Final Image Preview
vector polygonal background

Polygonal Art Style became very popular over last year. It is often used in printing, designing T-shit, cell-phone backgrounds and websites. In our today's tutorial we will learn how to create quickly vector polygonal background with the help of web based tool and Adobe Illustrator.


You can download the source vector file for this tutorial




Illustrator Tutorial Details

  • Program: Triangulator, Adobe Illustrator CS - CS6;
  • Difficulty: beginner;
  • Estimated Completion Time: 15 minutes;

I've recently written Illustrator tutorial devoted to the creation of polygonal style. One very convenient tool made me get back to this topic; this tool allows you to create such style directly in our browsers and then convert the result into vector art.

Step 1

Before we begin, download Triangulator on the following link. After unzipping, open two folders of triangulator successively and find a file with the name index.html.

Open this file in your browser. I've used Google Chrome for this. Triangulator works only with browsers with File API support.

Step 2

Drag your selected photo into the "Drop your bitmap here" field.

And now simply click on different places of your image with your cursor to create polygons.

You also have an opportunity to move the created mesh nodes.

You also can divide created polygons in parts by simply clicking on them.

Step 3

To create complex works you might need reduce polygon's opacity. The slider on the upper panel is especially designed to control it.

You can delete created polygons or place them in random order; use the interface elements "Delete all vertices" and "Randomly" for this.

Step 4

After creation of polygons on the entire area of the photography convert them into vector format. To do so, click on the "Export to SVG" and then on the words "this link" and open the context menu. Choose Save link as… and save the file on your hard drive.

Step 5

Open the file in Adobe Illustrator. As you can see, polygons are regular vector objects filled with linear gradients.

Now we can continue our work on polygonal background. Let's see how I've done it. Select and group all the polygons (Cmd / Ctrl + G). Go to the Object > Transform > Reflect…, and then click on Copy in the dialog box.

Step 6

Apply the appropriate blending mode to the upper group. I've used Color Burn.

Step 7

Now let's create a couple of glowing objects. Draw a circle with the Ellipse Tool (L). Fill it with back-and-white radial gradient, then apply Screen blending mode to it.

As you can see, there is nothing difficult in creation of such background, and even so, it looks pretty impressive.


You can download the source vector file for this tutorial



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Total comments: 7
+1   Spam
1 radoslavak   (2013 Feb 18 12:12)
Nice, thanks for good tutorials!  smile

0   Spam
2 adz   (2013 Mar 17 09:48)
I'm working off Chrome version 25 and the save functionality isn't working? sad

It says this version of the browser has File API support compatibility. Any ideas?

0   Spam
3 jaroslav   (2013 Mar 17 10:02)
I also use Chrome v25 and all works fine. What do you see after clicking on a "save this link as file"? Are there black objects? If yes, don't worry. Click on this page and select Save as... from the context menu.

0   Spam
4 MariM   (2013 Dec 22 13:02)
Tell me please, how does it work off-line in Illustrator (5)? Because there are some scripts in downloaded folder...

0   Spam
6 jaroslav   (2013 Dec 23 01:51)
It works fine in CS5 and off-line. All you need is a browser.

0   Spam
7 MariM   (2013 Dec 23 02:10)
Thank you, I've got it! I looked at the address line and understood.

0   Spam
5 NyPhile   (2013 Dec 22 21:19)
you can save the name of that file like "abc.svg" , then you can open with Adobe Illustrator

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