How to Stitch Your Artwork Seamlessly in Photoshop Elements

When joining components of one artwork in Photoshop Elements, you do not have to settle for a file with an obvious seam where no seam should be. Using the Eraser and Clone tools, you can eliminate the seam manually, and with some practice, you can do it so well that no observer will guess that you have stitched the parts together. 

This works with artwork or photos, but in this article I will refer to the subject as artwork.  At the end of this post, I include images that I have stitched together using this method.

This article assumes that you know how to get your artwork onto the computer, and that you are somewhat familiar with Photoshop Elements. Before trying this exercise, please read through the entire article including the tips at the bottom. You may have some questions that will be answered there.

These directions focus on Photoshop Elements 7, but I formerly used version 2, and that is where I first began to practice this technique.

If you know how to place the layers together in one file, overlapping to match the edges, skip to Number 6. I now launch into the steps:

Instructions

Things You'll Need:

• A copy of the Photoshop Elements program. This lesson mainly addresses version 7
• Artwork that has been scanned in two pieces, which can overlap enough to give you some room to erase. Alternatively, you may use two photos that you would like to stitch together

1. Step 1

Open Photoshop Elements and load the two "half files" of your scanned artwork. If your files have just been scanned and have not been saved, click "File > Save As" for each separate file and save it as a PNG or PSD. When your files have been saved, go back to the file menu and click duplicate for each file. (On older versions of Elements, the duplicate function is under "Image".) Close the original files, leaving the duplicated files on the screen. Now you won't have to worry about messing up your original files. If something goes horribly wrong with your file, you still have the original pieces.

2. Step 2

Let's pretend the two artwork files are 2500x2000 (meaning 2500 pixels in width), and will be placed side by side. You're going to make a new file to house the two artwork files. I would make the new file 5200x2200 pixels, because I want to double the width and add a few pixels all around for elbow room.

Click "file > new > blank file." In the small box, enter 5200 pixels for width, and 2200 for height. Make sure it says "pixels" there, and not inches or something else. At the bottom of the box, you'll see "Color Mode" and "Background Contents." Keep the color mode at RGB. I always make the background transparent because the tiny gray tiles aid in placement.

3. Step 3

Now you should have your two artwork files and a blank file with a transparent background, which looks gray and white. Click on the artwork file that will become the left side of the artwork. Just to make the move a little easier, make sure the artwork is side-by-side with your new, transparent file. If your tool strip is not showing, click "Window" and make sure "Tools" is checked. Then click the "Move Tool," which is at the top left of the tool strip on my copy of Elements 7. Place this cursor on the artwork file and left click. Holding the mouse button down, drag the picture completely into the transparent file. Then let go. A copy of this artwork file will be
in the new file, but will also still be in the file from which you took it.

4. Step 4

To save RAM, close the picture files, keeping the transparent file with the artwork halves dragged in. In the transparent file, position the new layer (really the left half of the artwork) into a comfortable position in the left half of the file (comfortable for you I mean, not for the layer). Repeat step 3 with the right half of the artwork, placing it on the right side of the new file.

5. Step 5

Now, move the pieces together, matching them to the best of your ability. In order to see holistically and in detail, you may have to zoom in and out on the view. Your arrow keys are valuable while moving the layers. They can move the pieces one pixel at a time. Of course, one of the pieces will overlap the other--that's what we want. Switch the arrangement of the layers, putting the lower one on top. Go with the arrangement that looks more natural. If one of the layers was scanned in a less than straight position, you may have to click "Image > Rotate > Custom" and nudge it just a little to straighten it. Do not worry about extra space around the outside, whether in the picture files or around the pictures, because you can crop it later.

6. Step 6

You have now put the pieces together and arranged the stacking order for the best view. Still the view is not so great, because you can see a line where the pieces overlap. Time to pull out the eraser from the tool strip. Make sure you have chosen "Eraser Tool," not "Background Eraser," or "Magic Eraser." In the layers palette, select the top layer.

In the upper left of the main window of the program, click "Default Brushes" and choose a blurry brush. I normally set the opacity to 100%, although it will not be 100% in the blurry edges. The "[" and "]" buttons will change the size of the brush. Now you will carefully erase parts of the overlapping portion of the top layer.

You are trying to make the erased edges blend into the bottom layer so that it appears to be one piece. Be careful not to erase to the point of exposing the transparent background. Stay in the area of overlap. Zoom in and zoom out frequently; zooming out is the equivalent of stepping back to get the whole picture. Don't get frustrated; this may take some practice. I am left-handed and use my right hand on a mouse to do this.

7. Step 7

Now you have erased the overlapping top section to the best of your ability. If you have not yet saved--you live dangerously by the way--you may want to save now. Then, go to "Layers" at the top of the main window and click "Merge Visible." You now have one layer.

8. Step 8

Bring out the Clone Stamp Tool, which is on your tool strip. Use this tool to correct any portions that you could not erase to your satisfaction. When using the clone tool, I like to continue to move around with the Alt button--that's the button that sets the distance from donor site to receiver site. That will keep you from getting that double and triple patterned look that screams, "Clone abuse!"

9. Step 9

Again, zoom out to digitally step back and get the whole picture. If you are satisfied, it's time to crop. Click the Rectangular Marquee Tool on the tool strip. If you want a certain ratio, go to the top of the main window and click Fixed Aspect Ratio" on the Mode section; set the desired ratio. Then, crop the picture. Immediately save the file in a loss-less format such as PSD or PNG. If you want smaller files and JPEGS for various purposes, duplicate your new file and close out the hard work that you have just saved, leaving the duplicate in the window. You have now eliminated the danger of ruining your new file, and you are free to create the smaller files you need.

·  Make sure you have a nice overlap in the scanned sections. The larger the overlap, the more leeway you have when erasing.

·  What if you have more than one section to merge? First, I would stitch two layers together and blend them with the eraser and clone tool. Then I would merge them to one layer. Then, I would add the remaining layers one at a time, to the already stitched and blended layers. With each added layer, I would blend and merge down before adding the next. I have found this method to be less frustrating. It is much easier than trying to marry four layers at once.

Below are a couple of samples of artwork stitched together in the manner that I have just described.