To do a double exposure, you must take two photos of the same scene with different exposures. You can merge the two photos using software to create a double-exposure image.

To overlay two images in Illustrator, first select the images you want to overlay and then click the “Align” button (the three lines in the toolbar). From the “Align” dialog box, choose “Overlay.

To make a double stroke in Illustrator, you first need to create a vector object. Then, you need to select the vector object and go to the Stroke panel. In the Stroke panel, you will see two options: “Single” and “Double.” Select “Double” and click on the pin icon to start drawing your double stroke.

There are a few ways to mask in Illustrator. One way is to use the Direct Selection tool and select the area you want to mask. Then, use the Mask button on the Tools panel to create the mask. You can also use the Pen tool and click and drag to create a mask.

There are a few ways to merge overlapping paths in Illustrator. One way is to use the Pathfinder tool, which allows you to drag and drop paths between layers. Another way is to use the Join command, which allows you to combine multiple paths into one path.

There are a few ways to create a transparency mask in Illustrator. You can use the Pen tool to create a path that encloses the object you want to mask, or you can use the Blur tool to soften the edges of the object.

To create a gradient mask in Illustrator, you will first need to create a new document. Select the Gradient Tool from the toolbar and click on the gradient bar at the top of the screen. You will then be able to select the colors you want to use for your gradient mask. To create a linear gradient, simply drag one color along the gradient bar and release your mouse button.

There are a few ways to make multiple clipping masks in Illustrator. You can use the Clipping Mask tool, the Pathfinder panel, or the Offset Path tool.

There are a few things you can do to blend in Illustrator. One is to use the same color scheme as your original artwork. Another is to use similar line and shape styles. And finally, you can use the same typeface or font family.

Pathfinder is a tool that allows you to create and edit paths.

Welding two objects in Illustrator is a two-step process. The first step is to create a weld outline around the two objects you want to weld. The second step is to fill in the weld outline with the Weld tool.

There are a few ways to make an object see-through in Illustrator. One way is to use the Opacity slider. Another way is to use the Transparency panel.

Opacity mask is a feature in Illustrator that allows you to control the opacity of an object or layer.

To fade a background in Illustrator, you can use the Fade tool (F) or the Layer Style dialog box.

To overlay a gradient in Illustrator, first, create the gradient using the Gradient tool. Then, use the Transparency panel to adjust the transparency of the gradient.

To create a gradient blend in Illustrator, first, create a gradient fill with the desired colors. Then use the Gradient Tool (G) to drag the gradient fill from one corner of the artboard to another.