Cropping Images: Paint 3D's Easy Guide

how to crop around an image in paint 3d

Cropping an image is a fundamental aspect of photo editing, allowing users to remove unnecessary portions and change the shape of the image. While cropping is typically done using square or rectangular shapes, sometimes, a different shape, such as a circle, is desired. Microsoft Paint 3D is a popular tool for cropping images, offering a simple and convenient method to remove backgrounds and make them transparent. In addition to its cropping capabilities, Paint 3D also provides basic photo enhancement features, resolution adjustments, and montage creation tools. This guide will explore the steps involved in cropping an image into a circle using Paint 3D, along with some tips and tricks to achieve the desired results.

How to crop around an image in Paint 3D

Characteristics Values
Software Paint 3D
Image format Circle
Steps 1. Open image file in Paint 3D. 2. Use the 2D shapes function to draw a circle around the target. 3. Adjust parameters: Fill set to None, Line type as Solid, and thickness of 50px. 4. Erase everything outside the circle using the Brushes function. 5. Use the Magic Select function to crop the image down to the object boundary. 6. Make the background transparent using the Canvas function.

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Opening Paint 3D and your image

To open Paint 3D on your Windows 10 device, type 'Paint 3D' in the search section of your taskbar and click on the search result to launch a new Paint 3D window. Once the application is open, click on the 'New' icon to create a new project.

Now, to insert your image, click on the folder icon labelled 'Menu' located on the Menu Bar of the Paint 3D window. When you click on it, a menu will appear. Select the 'Insert' option from this menu. Next, locate the image that you want to insert and click on the 'Open' button. Your chosen image will now appear on your canvas.

If you want to crop your image into a circular shape, go to the 2D shapes option at the top of the window and select a circle from the right sidebar. Take your mouse pointer near the area you want to crop, and keeping the left mouse button pressed, drag to draw a circle. For a proper and equal circle, hold the 'Shift' key while dragging the mouse.

After drawing the circle, make sure the ''Fill' option is set to 'None' and the 'Line type' is set to 'Solid' in the right sidebar. Also, keep the 'Line type' colour as white. Now, increase the thickness of the circle from the right sidebar. For best results, keep it around 50-100px.

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Drawing a circle on the image

Make sure that the inner boundary of the circle covers the target fully. You can adjust the edges of the circle individually, so don't worry if you don't get it right the first time. Make sure that the Fill is set to 'None' and the Line type is 'Solid'. For a proper and equal circle, hold the Shift key while dragging the mouse. Increase the thickness of the circle from the right sidebar—for best results, keep it at 100px.

Once the circle is in place, everything outside of it has to be erased. To make this step easier, start by cropping the image using a 1:1 aspect ratio, up to the outer edge of the circle. Then, use the Brushes function, choose the Eraser with sufficient thickness, and wipe out everything outside the circle.

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Adjusting the crop selection

To adjust the crop selection in Paint 3D, you can use the Magic Select tool. This tool automatically detects the edges of the object you want to crop and removes the background, making it transparent.

  • Open the image file in Paint 3D.
  • Use the 2D shapes function to draw a circle around the object you want to crop. Ensure that the Fill is set to None and the Line type is Solid, with sufficient thickness.
  • Adjust the circle until it fully covers the target object. You can adjust the edges of the circle individually to get a proper fit.
  • Once the circle is in place, crop the image using a 1:1 aspect ratio up to the outer edge of the circle.
  • Use the Brushes function and select the Eraser tool to wipe out everything outside the circle. Choose an eraser size that is not too thick or too thin to avoid accidental erasing.
  • After clearing the area outside the circle, you will be left with the targeted object and a white background.
  • Click on the Magic Select function and then click Next. Paint 3D will automatically detect the edges of the object and crop away the background.
  • If necessary, you can refine the crop by manually adding or removing sections. Use the Add and Remove functions to mark the areas that need adjustments, and the software will adjust accordingly.
  • Once all adjustments are made, click Done, and the circle-cropped image will be generated.
  • To make the background transparent, choose the Canvas function and turn on the Transparent canvas toggle switch.
  • Finally, save the image as a PNG file to preserve the transparency of the background. Ensure that the Transparency checkbox is ticked, and the background will remain transparent, indicated by a grey-and-white checkered pattern.

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Erasing outside the circle

To erase everything outside the circle in Paint 3D, start by cropping the image using a 1:1 aspect ratio, up to the outer edge of the circle. You can do this by selecting the Crop tool from the toolbar and adjusting the crop selection so that it touches the inner edges of the circle.

Next, use the Brushes function and select the Eraser tool. Choose an eraser thickness that is appropriate for the size of your image—too thick and you might accidentally erase part of the image; too thin and the erasing will take a long time. Erase everything outside the circle by holding down the left mouse button and dragging the eraser over the outer areas.

After clearing everything outside the circle, you will be left with the targeted object and a white background. To crop the image down to the object boundary, select the Magic Select function and click Next. Paint 3D will automatically detect the edge of the object and crop away everything else.

If you want to make the background transparent instead of white, use the Canvas function and set the Transparent canvas toggle switch to On.

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Making the background transparent

To make the background transparent in Paint 3D, you need to open the image file in the application. Once the image is open, you can use the Magic Select tool to select the foreground and then delete the parts of the image you want to remove.

To do this, click on the Canvas menu and enable "Transparent Canvas". Then, click "Magic Select" in the toolbar at the top and adjust the highlighted area around the object you want to keep. Click "Next", and then use "Add" and "Remove" to adjust the image cutout before clicking "Done".

You can also make the background transparent by selecting the Transparent background option in the menu bar at the top of the screen. This will allow you to cut out the image from the background.

Another method is to click and drag your cursor over the object in the image to "protect" it. The rest of the image, i.e. the background, will become transparent. You can then right-click on the protected object and select "Cut" to remove it from the image.

It is worth noting that Paint 3D is only available on Windows 10 and 11.

Frequently asked questions

To crop an image in Paint 3D, open the image file in the application. Then, use the 2D shapes function to draw a circle around the target. Make sure that Fill is set to None and the Line type is Solid, with sufficient thickness. Once the circle is in place, crop the image using a 1:1 aspect ratio, up to the outer edge of the circle.

To adjust the crop selection, use the Brushes function and choose the Eraser with the desired thickness. Erase everything outside the circle, ensuring that the eraser size is just right.

While Paint 3D does not allow direct cropping of non-rectangular shapes, it is possible to crop a circle with a workaround. First, open the image in Paint 3D and go to 2D shapes to draw a circle on the image. Press and hold the left mouse button, dragging to draw a circle. Ensure the Fill is set to None, Line type is Solid, and the Line type colour is white. Increase the circle thickness for better results.

To remove the background of an image in Paint 3D, click on the Magic Select tool. Drag the corners or sides of the blue box to crop out the background and click Next.

Unfortunately, it is not possible to crop a 3D model in Paint 3D. However, you can crop a rendered image by exporting it as a PNG file and then cropping it using raster software.

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