
Paint Tool Sai is a popular drawing software, but users have reported issues with its compatibility with the Microsoft Surface Pro 3. Some of the problems include a blurry resolution, lack of pressure sensitivity, unstable lines, and jitters. While there are suggested workarounds to fix these issues, such as installing N-Trig's WinTab driver or disabling the touch screen when drawing, the effectiveness of these solutions may vary. Some users have resorted to alternative programs like Krita, Manga Studio, and Sketchbook Pro, or opted for different tablet devices better suited for drawing, such as the WACOM Intuos Tablet and Cintiq Companion 2.
| Characteristics | Values |
|---|---|
| Compatibility | Users have reported compatibility issues with Win8/NTrig digitizer and SAI. |
| Resolution | The resolution can be blurry, and troubleshooting can make the resolution sharp and detailed but too small. |
| Pressure Sensitivity | Some users have reported a lack of pressure sensitivity. |
| Stabilizer | Some users have reported issues with the stabilizer, causing jittery lines. |
| Icons | Icons are big and blurry. |
| Alternative Programs | Krita, Manga Studio, WACOM Intuos Tablet, Cintiq 13HD, Ugee 1200B. |
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What You'll Learn

Paint Tool SAI and Surface Pro 3 compatibility issues
Paint Tool SAI is a popular drawing software that can be used on various devices, including the Microsoft Surface Pro 3. However, some users have reported compatibility issues when trying to use Paint Tool SAI on their Surface Pro 3. One of the most common issues is the lack of pressure sensitivity when using the pen, resulting in jittery lines and unstable drawings. Users have tried installing WinTab and disabling scaling on High DPI settings to fix the problem, but with limited success.
Another issue is the blurry user interface, which can be fixed by right-clicking on sai.exe, going to properties, and disabling display scaling on high DPI settings. However, this makes the UI too small for some users. Additionally, there seems to be a minor problem with the tip of the pen not matching up with the mouse on the screen, which some artists may find inconvenient.
Some users have also reported issues with the touch screen, where finger touches leave random marks on the drawing canvas. While the Surface Pro 3 comes with palm rejection, it doesn't always work effectively. Disabling the touch screen can fix this issue, but it also breaks all pressure sensitivity.
For those seeking alternatives, programs like Krita, Manga Studio, and Sketchbook Pro have been suggested by users. However, these programs also come with their own set of advantages and drawbacks, and users may need to experiment to find the best fit for their needs.
It's worth noting that some artists have successfully used Paint Tool SAI on their Surface Pro 3, but others have encountered frustrating compatibility issues that hinder their creative process. As such, it is recommended that users familiarise themselves with the potential drawbacks before investing in the device for their artistic endeavours.
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Workarounds for compatibility issues
Several workarounds can be implemented to address compatibility issues between Paint Tool SAI and the Surface Pro 3. Here are some detailed solutions:
Disabling Touch Screen:
One issue with the Surface Pro 3 is the presence of random ink marks caused by accidental finger touches on the screen. To prevent this, the touch screen can be disabled by accessing the Device Manager, navigating to Human Interface Devices, and disabling the HID-compliant touch screen. However, disabling the touch screen also removes pressure sensitivity, which can be an issue for artists relying on this feature.
Installing Wintab Drivers:
To restore pressure sensitivity and improve pen functionality, users can install Wintab drivers. Specifically, N-Trig's WinTab driver has been recommended for the Surface Pro 3. While this may resolve pressure-related issues, it doesn't address the problem of adjusting the pressure curve, which might require additional adjustments.
Adjusting Resolution and Scaling:
Some users have reported issues with blurry resolution or overly small user interfaces. To address this, right-clicking on sai.exe and accessing the compatibility settings allows users to disable display scaling on high DPI settings. This prevents Windows 8 from scaling up the content, reducing blurriness. However, this may result in a very small user interface.
Alternative Software:
If the compatibility issues persist, users might consider alternative software options that are known to work well with the Surface Pro 3. Krita is a free alternative that offers pressure sensitivity when the correct drivers are installed. Manga Studio is another recommended option, although it requires enabling "Tablet PC" in the preferences and input settings.
Updating to Newer Models:
Finally, it is worth noting that newer models of the Surface Pro, such as the Surface Pro 4, may offer improved compatibility with Paint Tool SAI. Upgrading to a newer model could potentially resolve the compatibility issues experienced with the Surface Pro 3.
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Alternative programs to Paint Tool SAI
Paint Tool SAI is described as a high-quality and lightweight painting software with full digitizer support, anti-aliased paintings, and stable operations. However, some users have reported issues with getting the software to work on their devices, particularly with the Surface Pro 3.
- Krita: This is a free and open-source digital painting tool available for Windows, Mac, Linux, and Android Tablets. It offers a variety of brushes, options, and comprehensive capabilities, including animation support and fullscreen usage. While it may be less user-friendly and experience glitches, it is a robust alternative praised by many users.
- MediBang Paint: A lightweight software for illustration and comic book creation, available on Windows and Mac OS. It features a wide range of tools, an organized dark UI, and convenience across devices. It is regularly updated, affordable, and offers extensive brush sets and unique features.
- Adobe Photoshop: The most popular commercial alternative to Paint Tool SAI. It is a paid software with powerful photo editing and manipulation tools.
- Ibis Paint X: A user-friendly and powerful drawing app designed for sketching manga. It offers various tools for creating digital art.
- Getimg.ai: This AI-driven platform revolutionizes image transformation by allowing artists to expand images beyond their original boundaries. It offers a versatile creative process with features like the 'find and replace' tool for seamless image editing.
- Procreate: Designed for iPad users, Procreate provides a quick, easy, and enjoyable digital art creation experience. It offers over 130 pre-loaded brushes, various layers, blend modes, masking, and high-resolution image export.
- Leonardo: A beta software similar to SAI in terms of ease of use and price. It is still in development and may not have all the features of SAI yet.
- FireAlpaca: FireAlpaca is similar to SAI in terms of keyboard shortcuts and interface. It offers a range of tools for digital painting and illustration.
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Adjusting pressure curve
While Paint Tool SAI is compatible with Surface Pro 3, some users have reported issues with the pressure sensitivity of the device's pen. To adjust the pressure curve and potentially fix this issue, you can try the following methods:
Install N-Trig's WinTab Driver
Firstly, ensure that you have the latest N-Trig WinTab drivers installed, as these are required for pressure sensitivity in Paint Tool SAI. You can download the driver from the N-Trig website or from the link provided in some sources. Note that neither N-Trig's driver nor SAI provide pressure curve tools, so you may still experience issues with the default pressure curve.
Adjust Minimum Pressure Settings
Open Paint Tool SAI and click on "Options". Then, click on the "Digitizer Support" tab. Under "Minimum Pressure", you should see a "click detection pressure (0-100%)". Adjust this setting to your preference; however, keep in mind that the optimal setting may vary depending on your tablet and personal preferences.
Disable Display Scaling
To fix the blurry UI problem in Paint Tool SAI, right-click on sai.exe, go to Properties, and look under Compatibility. Check the box that says "Disable display scaling on high DPI settings". This will disable the scaling, making the UI sharper, but it may also make it smaller.
Update Windows and Drivers
Ensure that you have downloaded and installed all available Windows updates, as there may be an optional update that addresses the pressure sensitivity issue. Additionally, make sure you have the correct drivers for your tablet and software version. For example, if you are using Krita, there are separate N-Trig drivers for the 32-bit and 64-bit versions.
Adjust Pressure Stabilizer Settings
Within Paint Tool SAI, there is a setting for Pressure Stabilizer, which can be found in the same area as the Stroke Stabilizer settings. While not exactly a pressure curve setting, adjusting the Pressure Stabilizer can give you some control over the pressure curve.
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Stabilizer and pen pressure issues
Several users have reported issues with Paint Tool SAI's stabilizer and pen pressure functions on the Surface Pro 3. These issues include jittery lines and a lack of pressure sensitivity.
One user reported that they were able to resolve the issue by downloading the N-Trig WinTab driver. However, they noted that because neither N-Trig's driver nor SAI provides pressure curve tools, there might be some issues with the default pressure curve on the SP3.
Another user recommended disabling the touch screen when drawing to avoid accidental touches from leaving ink on the canvas. However, they noted that this also seemed to break the pressure sensitivity.
Some other potential solutions that have been suggested include:
- Messing around with the paint tool SAI settings: clicking "Options", clicking on the "Digitizer Support" tab, and adjusting the "Minimum Pressure" or "Click Detection Pressure (0-100%)" settings.
- Downloading the Beta version of Paint Tool SAI and copying the contents of the folders into the old Paint SAI.
- Right-clicking on the Paint Tools SAI icon, going to Compatibility, and disabling scaling.
- Installing the Wacom software.
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Frequently asked questions
Paint Tool Sai can be installed on Surface Pro 3, but there are several issues with the compatibility. Users have reported problems with the resolution, pressure sensitivity, and the program crashing.
To fix the blurry UI problem, right-click on sai.exe, go to Properties, then look under Compatibility. Check the box that says "Disable display scaling on high DPI settings". However, please note that this will make the UI smaller.
You can try installing N-Trig's WinTab driver, but note that there are no pressure curve tools provided by either N-Trig or SAI, so you may still have issues with the default pressure curve.
Some alternative programs suggested by users include Krita, Manga Studio, and Sketchbook Pro. However, these programs may also require adjustments for pressure sensitivity and other settings.











































