![]() ![]() It’s two tools in one! Similarly, my favorite painting brush has a shape of a marker, and yet it has a covering power of paint when I press strongly. You can create a completely new tool that works exactly as you need! For example, my favorite sketching tool works like a pencil when I press lightly, and like an ink liner when I press strongly. You’re not limited to what can be done with ink, or graphite, or paint. Here’s a cool thing: even though you can replicate the properties of traditional tools with digital brushes, you don’t really have to. Flow can only be controlled with pressure. High flow will therefore be good for drawing, and lower flow will make the mixing of the paint more natural. The higher the flow, the thicker the ink will seem. ![]() Flow, as the name suggests, defines how much ink or paint comes out when you press the pen. It’s called flow, and it’s related to opacity, although they differ in a subtle way. Keep in mind that if you decide to control the size with pressure, then you won’t be able to control the opacity separately-so if you want to draw big lines with variable opacity, you need to give up on the pressure-linked size control. Linking both size and opacity to pressure will allow you to link the thickness and visibility to the confidence of your stroke. Linking opacity to pressure will allow you to create lines with variable visibility. Linking size to pressure will allow you to change the thickness of the line on the fly. Both should start with lower opacity-after all, the stronger you press, the more graphite you leave on the paper. A blunter pencil should start with a bigger size, even if the pressure is barely there. For example, a well sharpened pencil has a tiny tip and gets only slightly larger when you press harder. These pressure-related properties can and should be adjusted as well, if you want to create a brush imitating a traditional tool. This is something you can’t do with a mouse-and it makes a world of difference! Without pressure sensitivity you’ll never be able to draw the lines as shown on the right. So the stronger you push, the thicker or more opaque the line-or both, depending on the settings of your brush. If you have a pressure-sensitive tablet, both of these properties will react to the pressure of the pen-that is, how strongly you push the pen to the tablet. High opacity will fit an ink liner and the oil paint, and lower opacity will fit water-based markers and watercolors. Lower opacity gives you a chance to test your lines before drawing the final ones.Īgain, changing the opacity will give you a feeling of different tools. When the opacity is low, your lines are less visible, so you get a chance to draw over them later without making a mess. Just like with size, you can change it gradually with a slider, or type a value inside the settings. The second basic property is called opacity. As you can see, you can create plenty of tools just by switching the size! Opacity The big size will turn our brush into a real painting brush. The medium size will create a feeling of drawing with a thick marker. In the mobile version of SketchBook you an also use a more traditional slider.Īnd finally, if you want a specific size, you can just type it in the settings of the brush.īrushes with small size will feel like a pencil, or an ink liner. ![]() In the desktop version of SketchBook you can drag the “puck” to the left to make the size smaller, and to the right to make it bigger. If you don’t have a keyboard, your program should also have a slider of some kind that you can drag to resize your brush. The easiest way is to use the shortcut: press the left square bracket key ( ) to make the brush bigger. Your tablet pen has a thin, pencil like tip, but you can draw a line of any size with it-just tell your program how big you want your strokes to be. There’s a limited number of things you can do to a line, so it’s easy to group them into specific properties. Digital brushes are not real brushes of course-they’re just a set of instructions telling your program what to do with the line you’re drawing. However, what this line looks like, depends on your choice of the brush. Basic Brush Propertiesĭigital drawing is just like normal drawing in a sense-you draw a line, and a line appears. I’ll be using Autodesk SketchBook, but the general theory should apply to all drawing programs. In this article I’ll help you understand these settings, so that you could create a brush set tailored to your needs. If you change these settings properly, you can create a brush that will work exactly as you need-producing subtle, thin lines with tapered ends, or thick, textured strokes that blend with each other like real paint. How the line will look, however, depends on the settings of your brush. When you draw on a graphics tablet, the motion of your pen defines the position and curve of the line. ![]()
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