The Polygonal Lasso Tool is the ONLY lasso tool…a demonstration!

The Polygonal Lasso Tool is the best way to lasso. Let me show you why!

Let’s suppose that you have this cool picture:

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Wouldn’t it be sweet if you could take this specific, charming picture from the South Side and make it your own, somehow? YES! Obviously! How’s about we make the building and cars on the right bigger? Because that’s totally something you’d decide to do on your own, right?

Step 1: OH NOES! You have THREE CHOICES of lassos in PS6? EEK! Okay, don’t panic, buddy. I got this. Let’s do some trial and error—by which I mean, I will show you what the trial and error looks like and you can learn from my mistakes. Don’t do anything on your computer just yet, keep reading the post for now.

First, let’s try out that Magnetic Lasso first. You can right click on the Lasso image on the toolbar, and select the correct lasso.

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Step 2: I tried to select the image using this lasso. See what happened there? Eek! It definitely didn’t select cleanly. I don’t like this. You can go to Select > Deselect to get rid of that crappy bounding!

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Step 3: Let’s try a different tool. Right click the Lasso image, and select the Lasso tool.

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Step 4: This is a freehand tool, it’s the second best (in my opinion) of the tools you can use to make selections on your picture. However, it requires a steady hand to make selections. And it can end up looking a bit like this if you aren’t careful!

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Step 5: Yikes, let’s try the Polygonal Lasso, same as before, right click the Lasso icon, and click the correct tool.

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Step 6: Let’s zoom in!

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Step 7: Okay, so, the Magnetic Lasso doesn’t let you have the control of the Lasso, but the Lasso requires you to have a steady hand and is difficult to use to make perfect selections. The Polygonal Lasso is the best of both worlds. It creates lines, and you can draw tiny lines to perfectly match the shape of whatever you’re selecting!

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Step 8: Oh, wow, this is cool! You can undo boo-boos by pressing the Delete key as you are making your selection, like this:

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Step 9: Once you’ve made your selection, you can create a new layer with it so you can change the size!

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TIP: If you can’t see the transform controls (the little boxes that appear around your image that allow you to resize it), tick the Show Transform Controls box.

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Step 10: Use the transform controls to change the size of your layer! Oh cool, look! The cars and the building are now stretched out!

TIP: Make sure you click the checkmark in the top right corner! This will tell Photoshop that you approve of the awesome sizing changes you’ve made!

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Step 11: Merge the two layers! A lovely union, indeed!

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Step 12: Save it! Give it a radical lil’ name!

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You’re done! Awesome! Isn’t that Polygonal Lasso Tool just the bestest?

Here’s my final version. Ahhh, how great does that elongated background fodder look? *sighs*

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Your humble helper,

Erin McGaw

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~ by neonxbats on September 17, 2012.

2 Responses to “The Polygonal Lasso Tool is the ONLY lasso tool…a demonstration!”

  1. Dear Erin McGaw,
    You did an excellent job explaining how to use the lasso tool in photoshop. I found this step-by-step approach to be very helpful and easy to follow. It was a good idea to tell your audience about every different type of lasso and it was smart to tell the user not to execute every step, since your first two types of tools were not the best choice. The only critique I have is that the post was very lengthy. One solution to this problem may be to remove any excess photos in between your steps, since some of them were a bit repetitive. However, overall your demonstrations were very informative and I applause your work!

    Kim Bizal

  2. Also, I forgot to mention in my previous comment, that we were told to not include numbers or to label each step. Instead of writing “Step 1” you can use transitions such as “Next,” and “Following this,…” and “Finally…” so that the post appears more formal.

    Kim Bizal

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