Priya Kapoor
Paint Tool SAI is a popular digital drawing software that offers a range of features for artists, including intuitive perspective tools. While some users have praised its perspective rulers and grids, others have found the setup challenging to navigate. This paragraph aims to introduce the topic of adjusting perspective in Paint Tool SAI and provide an overview of the relevant techniques and tools available within the software. By understanding and mastering these tools, users can enhance their digital art and create more dynamic and accurate scenes in their work.
| Characteristics | Values |
|---|---|
| Keyboard shortcuts | Hold CTRL + Shift + Left Click (Drag) to move rulers while snapping to an axis |
| Hold CTRL + Shift + Alt + Left Click (Drag) the outer control points with the Ellipse rulers to adjust the shape in respect to perspective | |
| Hold Alt + Left Click (Drag) to rotate the rulers | |
| Hold Alt + Shift + Left Click (Drag) to rotate 45° | |
| Perspective rulers | There are 4 types of rulers and you can have 1 of each active at any given time |
| Use CTRL/Shift/ALT to tweak rulers | |
| 3-point perspective | Rotate the crosshairs (alt-left mouse button) to have a slanted horizon line |
| Move the light blue dot either above or below the horizon at the front or back corner of an imagined box/room | |
| Move the green dot to a side corner of the box to determine the first vanishing point | |
| Move the dark blue dot to the third corner of the box to determine the second vanishing point | |
| Red dots indicate the vertical vanishing point: place them above the box for a worm's eye view, and below the box for an overhead shot |
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What You'll Learn
Using the perspective ruler
Paint Tool SAI's perspective ruler tools are considered intuitive and easy to use. The perspective rulers allow you to adjust the vanishing points in your drawing.
To adjust the perspective ruler, you can hold CTRL + Left Click (Drag) to adjust the points. Holding CTRL + Shift + Left Click (Drag) will allow you to move the rulers while snapping to an axis. You can also adjust the perspective for the Grid ruler by holding CTRL + Shift + Left Click (Drag). To adjust the shape of the Ellipse rulers, hold CTRL + Shift + Alt + Left Click (Drag) the outer control points. Holding Alt + Left Click (Drag) will allow you to rotate the rulers, and holding Alt + Shift + Left Click (Drag) will rotate them 45 degrees.
Additionally, you can rotate the crosshairs by holding Alt and left-clicking the mouse button to create a slanted horizon line. Then, move the light blue dot above or below the horizon at the front or back corner of an imagined box by holding CTRL and left-clicking the mouse button. This will determine the perspective of your scene. You can then move the green dot to a side corner of the box, which will be the first vanishing point. The second vanishing point will be where the green and blue lines intersect. The red dots indicate the vertical vanishing point, which you can adjust to get a worm's eye view or an overhead shot.
The above keyboard and mouse shortcuts are essential to tweaking the rulers in Paint Tool SAI.
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Rotating the crosshairs
To rotate the crosshairs in Paint Tool SAI, follow these steps:
Firstly, press the "Alt" key and left-click with your mouse. This action will allow you to rotate the crosshairs and create a slanted horizon line, simulating a camera tilted on its side. This is the first step in adjusting the perspective of your scene.
Next, you can adjust the position of the light blue dot by pressing "Ctrl" and left-clicking with your mouse. Move this dot either above or below the horizon line, placing it at the front or back corner of an imagined box or room. Don't worry too much about the size of your scene at this point, as you can always adjust the position of the dots later if needed.
Now, let's focus on the green dot. Move the green dot to one of the side corners of the box. This action will help you establish your first vanishing point, which is where the green line crosses the horizon line. The position of the green dot relative to the light blue dot will determine the distance of the vanishing point and the resulting perspective of your scene.
By rotating the crosshairs and manipulating the positions of the dots, you can create a dynamic perspective for your artwork. Feel free to experiment with different dot placements to achieve the desired effect. Remember, you can always adjust their positions until you're happy with the overall perspective.
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Positioning the vanishing points
Paint Tool SAI's perspective rulers and grids are very intuitive and make it easy to adjust the perspective of your drawings.
To position the vanishing points, you can start by rotating the crosshairs (alt-left mouse button) to have a slanted horizon line. You can then move the light blue dot either above or below the horizon at the front or back corner of an imagined box or room. This will be the first vanishing point. The scene you draw can be larger or smaller than the box, and you can always adjust the position of the dots later if needed.
Next, move the green dot to a side corner of the box. This will determine where your second vanishing point is located, which is where the green line crosses the horizon line. The distance between the green dot and the light blue dot will impact the perspective of your scene. The closer the green dot is to the light blue dot horizontally, the closer the vanishing point will be, and the further away your scene will appear.
After that, you can place the dark blue dot in the remaining corner of the box to create the third vanishing point. This is where the green and blue lines intersect across from the light blue dot. The red dots indicate the vertical vanishing point, and their position relative to the box will affect the viewpoint of your scene. Placing them above the box will give a worm's eye view, while putting them below will result in an overhead shot. The closer the red dots are to the middle, the more extreme the perspective will be.
Once you have positioned all the vanishing points, you can adjust the rulers and grids to fine-tune your perspective. You can also rotate and move the rulers while snapping to an axis by using the CTRL, Shift, and Alt keys in combination with the left-click button. These keys are essential for tweaking the rulers and adjusting the perspective to your desired effect.
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Moving the rulers
For the Ellipse rulers, you can adjust the shape in relation to the perspective by holding CTRL + Shift + Alt + Left Click and dragging the outer control points. This will give you more flexibility in shaping your artwork.
Additionally, you can rotate the rulers by holding Alt + Left Click and dragging. If you need to rotate by a specific angle, such as 45 degrees, simply add the Shift key to the combination by holding Alt + Shift + Left Click and dragging.
The ability to move and rotate rulers in Paint Tool SAI 2 gives you greater control over the perspective and composition of your artwork. By utilizing these keyboard and mouse combinations, you can easily adjust the rulers to create the desired effect.
Remember, CTRL, Shift, and ALT are the essential keys for tweaking rulers. Experiment with these keys and explore the different adjustments you can make to enhance your creative process in Paint Tool SAI 2.
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Using custom rulers
Paint Tool SAI 2 has a perspective ruler feature, which allows users to adjust the perspective of their drawings. This feature includes two- and three-point perspectives, where you can draw on the X, Y, and Z axes in the same layer/ruler.
To use custom rulers in Paint Tool SAI 2, you can adjust the origin's position by using the Ruler and Grid Settings dialog box. Rulers can be displayed by clicking "Show Rulers," and they appear along the top and left side of the main screen. As you move the cursor in the design area, a tick mark on each ruler follows. Grids, like rulers, can help you align objects, and can be displayed by clicking "Show Grid." The rulers, grids, and all other numeric values that represent a length follow a unit system defined in your software. To change the unit system, right-click a ruler and select the new unit.
Additionally, you can hold CTRL + Shift + Left Click (Drag) to move the rulers while snapping to an axis. Holding CTRL + Left Click (Drag) allows you to adjust the points on the perspective ruler. Holding Alt + Left Click (Drag) rotates the rulers, and holding Alt + Shift + Left Click (Drag) rotates them 45 degrees.
The three-point perspective ruler can be used by first moving the black crosshairs on the horizon line with CTRL-left mouse button. The vertical position is more important than the horizontal position, as moving it later will move the entire ruler. You can rotate the crosshairs with Alt-left mouse button to have a slanted horizon line. Next, move the light blue dot to the front or back corner of an imagined box/room with CTRL-left mouse button. The scene you draw can be larger than the box. This determines where your first vanishing point is. The closer the green line is to the blue dot horizontally, the closer the vanishing point will be, and the further away your scene will look. The second vanishing point is determined by the dark blue dot in the third corner of the box, where the green and blue lines intersect from the light blue dot. The red dots indicate the vertical vanishing point. If you put them above the box, it will be a worm's eye view, and if you put them below the box, it will be an overhead shot. The closer to the middle they are, the more extreme the perspective will be. Once set up, you can draw straight lines following the ruler on a normal layer.
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Frequently asked questions
Paint Tool SAI offers intuitive perspective tools, including perspective rulers and grids. You can rotate the crosshairs using the alt-left mouse button to create a slanted horizon line.
Hold CTRL + Shift + Left Click (Drag) to move the rulers while snapping to an axis. This will also adjust the perspective for the Grid ruler.
Yes, hold CTRL + Shift + Alt + Left Click (Drag) the outer control points with the Ellipse rulers to adjust the shape.
Hold Alt + Left Click (Drag) to rotate the rulers. To rotate 45 degrees, hold Alt + Shift + Left Click (Drag).
Put the red dots above the box to create a worm's eye view. For an overhead shot, place the red dots below the box.
