Tips And Tricks: Increase The Realism Of Your Vector Images In Adobe Illustrator

Over the years, Adobe Illustrator has become one of the top applications for creating vector illustrations. There is almost nothing you can’t make in Illustrator. It is a powerful tool for creating vectors for all kind of logos, websites, icons, business cards, print materials, etc. One of the best features of the vector format is its ability to scale up or down to any size without any loss in quality (unlike raster illustrations).

But let’s not forget that Adobe Illustrator is complex software. Despite all of its advantages, Illustrator demands a lot of skill, work, time and patience. The software will not generate effects automatically; excellent effects are the result of trying and testing different settings. Trial and error is an effective method in achieving the desired result. Creating realistic vector illustrations in Adobe Illustrator can be fun, but it can also give you a headache if you can tell something’s missing from an illustration but don’t know how to get it.

Here is a list of things to consider when creating stunning vector illustrations:

• Perspective,
• Smooth lines,
• Colors,
• Edge highlights,
• Reflections,
• Shadows.

Stick To Perspective

When it comes to drawing realistic vector illustrations, perspective is paramount in importance. If you ignore perspective, the illustration will look flat and distorted and lack depth.

The most important aspects of perspective are size and distance. The farther away an object is, the smaller it will appear, and vice versa. By increasing and decreasing size in this way, you can achieve good depth in your illustrations.

There are a several methods of drawing perspective.

Perspective Grid

One very useful way is to use a perspective grid, which is a new feature in Illustrator CS5. Establishing a horizon and the vanishing point is part of this. The perspective grid in Illustrator is an editable tool, so it can be adapted to suit one’s purpose. You can change the perspective simply by dragging the corner nodes of the grid. You can make the vanishing point longer or shorter and change the number of boxes in the grid. Being able to adapt the working environment to your needs will make it easy for you to do advanced drawings.

Extrude and Bevel

Some people have trouble seeing and presenting perspective in the first place. In this case, I would recommend “Extrude and Bevel,” which is a convenient tool for creating 3-D objects. You can set a value for “Perspective” in the “Extrude and Bevel” options box (either type in a value or drag the slider over). Expanding an object will make it editable. Because the Extrude and Bevel effect gives you an object with many parts and anchor points, it is highly recommended that you use that object as the reference for tracing with the Pen tool (P). This way, you’ll create clean and simple vector illustrations without any unwanted parts or any anchor points that are an obstacle in the printing process.

If you have imagination and some skill, you will be able to draw an illustration based on an estimation of perspective. Of course, this method is not quite precise.

But adding perspective alone is obviously not enough to create stunning artwork.

Using The Pen Tool For Smoother Lines

Creating shapes in Illustrator shouldn’t be complicated. To draw paths and curves, either use the Pen tool (P) or simply combine objects with Pathfinder features such as “Unite,” “Minus Front,” “Subtract,” “Intersect,” etc. Because the paths contain numerous anchor points, you will have to adjust them to create smooth lines. Anchor points are highly editable and can be adjusted with a few excellent tools. You can change the position of the path just by editing one anchor point. This takes a lot of practice; you’ll need a steady hand and patience.

Live tracing is one effective way to create vector illustrations. Try to complete a drawing with as few anchor points as possible; avoid adding anchor points at shorter intervals just to maintain the smoothness. To get smooth lines, make sure that the handle of the anchor point forms a tangent on the curve (i.e. inner or outer tangent). You can always add or remove anchor points by going to the “Add Anchor Point” (+) and “Delete Anchor Point” tools (-).

“Convert Anchor Point” (Shift + C) allows you to make changes on the anchor points themselves. With this amazing tool, you will be able to change the angle of the handle, thus enabling you to change the path of the lines. Whereas adjusting just one side of the handle will result in an angular shape.

Coloring

This part of the creative process is quite fun, but still demanding. Choosing the right colors can be a challenge. First, you have to determine what style you want. Gentle and pastel colors might work for retro illustrations, which would be rather simple and two-dimensional.

If you want to get photo-realistic, you might want more vivid colors. Good contrast can make the artwork stunning. If you don’t know how to mix and match colors, Adobe has a great website with color swatches and beautiful combinations.

There is also a swatch library in Adobe Illustrator, where you can find a lot of useful swatches and even create your own and save for future projects.

Gradients

When it comes to coloring, applying linear and radial gradients is the best way to show light sources and to give depth to your artwork. Establishing the position and angle of the light source is the first step in the coloring process. Shadows and highlights should be added according to the source of the light. Dark colors will simulate shadows and shade, while light colors will create highlights.

Besides creating shadows and highlights, gradients are the great way to simulate shape. Using color, you can give volume to an object or character. Use as many colors as you’d like to build a gradient, but just blend them well; otherwise, you’ll end up with harsh color transitions. If you tend to blend colors effectively, then try out the different “Blending Modes,” such as “Multiply,” “Overlay,” “Screen” and “Light.”

Linear gradients are mostly used to present a plane. Radial gradients are suited to ovals and round shapes.

Transitions between colors in gradients can be smooth or sharp. Smooth transitions are convenient for representing shade, shapes and forms. Sharp transitions are good for simulating gold, steel, chrome and other metals (i.e. for representing the reflection of light on these metals).

Gradient Mesh Tool

Because gradients are limited to linear and radial shapes, we sometimes have to find ways to use gradients in unconventional ways. Creating a gradient for an irregular shape is complex, because it involves blending colors between uneven forms with the use of linear and radial gradients. This can be a lot of work, but the Gradient Mesh tool is handy for this purpose.

The Gradient Mesh tool is a powerful tool that enables you to split up any part of an object by adding editable points and applying solid colors to those points. This way, you are able to create a gradient that follows the actual shape of the illustration.

While gradients make illustrations more realistic, there is always room for improvement. A great illustration is made up of many well-integrated details. Mixing and matching colors and shapes is not easy, but it does lead to a beautiful result.

Highlighting The Edges

When you are done with the gradients, your illustration should be ready for some nice edges. There are a few ways to create them. If your illustration has straight edges, the best way to highlight them is with the Pen tool (P). This enables you to create simple shapes that can be blended (via gradients) with the rest of the illustration. Or you can create a sharp white edge and turn it into the reflection using a low-opacity setting. Either way, you will be emphasizing the shape of the object.

Creating a highlight for curves is not much different. The most important thing is to make the shape of the highlight follow the shape of the object. The Pathfinder panel has a lot of features for creating curved highlights; doing it with the Pen tool alone would be tricky.

Reflections

Besides edge highlights and shade, light sources can create many reflections and shadows. Take a good look around you and you’ll see all kinds of reflections: on glass, plastic, wood, metal, clay, even in liquid. Reflections come in various forms. The most important thing, again, is to follow the shape of the object. For those skilled with the Pen tool, curved highlights shouldn’t be a problem. If you are unsure how to draw highlights with the Pen tool, try combining different shapes in the Pathfinder panel.

Even though the most common color for reflections is white, with reduced opacity, try out different color combinations.

Highlights are useful for showing off the material of an object. With a careful color combination and reflections in the right places, you can simulate the look of a surface quite well. The result is a nice illustration with a glossy surface.

The Final Touch: Shadows

The main purpose of a shadow is to create an illusion of three-dimensionality. Without shadows, the illustration is not really complete. The shadow “defines” the illustration in a way. Like reflections, shadows are created by the influence of light sources. The intensity or softness of the shadow depends on the distance between the object and the light source. A light source above an object will cover almost the entire object. Uncovered parts of the object will cast shadows on surfaces below and on objects nearby.

You can create a shadow with a solid color (for a sharp shadow) or with a linear or radial gradient (for a soft shadow).

If your object is complex, the best way to create a shadow that follows the entire shape of the object is to use the Blending tool.

There is one rule about the Blending tool, and that is to create two objects or paths with the exact same number of anchor points. This way, you ensure that every anchor point on one object (or path) has a corresponding anchor point on the other object (or path). The result will be a shadow with nice color transition.

Summary

Although there are just six rules to follow, there is the danger of too much detail. Try not to exaggerate the details, or else the illustration could look messy and overcrowded.

Light is your greatest ally. It will lead you through the whole creation process, connecting the different parts of the illustration and making them come alive.

Just keep the illustration simple and clean to minimize mistakes.

(al)(rb)

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