Convert 2D JPG, PNG images to 3D STL, OBJ model files online for free
Try ConvUtils, offline batch conversion, fast , secure.
How to convert your PNG to STL online?
Upload your PNG file
Click the "Upload a File" button and select the PNG file you want to upload.Select your Options
Set the size and other options, then click the "Convert" button to convert PNG to STL.Download your STL file
After the conversion is complete, click the "Download" button to save the STL file to your personal computer.PNG to STL Conversion Handbook
Explain each option in the PNG to STL Conversion tool, to effectively create accurate 3D STL model from your PNG images.
Tool
This setting lets you choose how your PNG image is converted into a STL 3D model. You can use "Stander" for a smooth, heightmap-style model based on brightness, or "Stander Color" for a similar effect but with color details. If you want distinct, separate shapes in your model, go for "Extrude", which creates layers, or "Extrude Color", which does the same but keeps different colors as separate elements.
Dimensions and Resolution
Width & Height & Depth: These settings control the overall size of the resulting 3D STL model.
Width Segments & Height Segments: Control the number of subdivisions along the respective axes, affecting the model's resolution and detail. Higher numbers give more detail but make the model more complex.
Border & Border Width
You can add a border around the model for extra structure or visual emphasis. The "Border Width" adjusts how thick that frame is.
Basic Thickness
This value can be adjusted to control how far the STL model extrudes from the base, giving it more dimensionality.
Merges Similar Colors
This helps clean up the model by merging areas with similar colors, making the result smoother and less complex, which is especially helpful for low-quality PNG images.
Transparency Conversion
This lets you decide what happens with transparent areas in your PNG image—either converting them to black or white in the model.
Lock Aspect Ratio
If you want to keep the proportions of your image intact while resizing, this option ensures that the width and height scale together.
Invert Output
This option flips the brightness in the image, turning black into white and vice versa, so the model will be the opposite of the original.
Enable Smoothing
When enabled, this reduces sharp, jagged areas in the 3D geometry of the generated STL model, smoothing out harsh edges.
Z-axis reflector mirror
With this option enabled, the tool mirrors the model along the Z-axis, creating a symmetrical design if needed.
Frequently Asked Questions about Converting PNG to STL
How to convert PNG to STL file?
First, click the "Upload a File" button and select the PNG file you want to convert. Set the relevant properties and select STL as the target format, then click the "Convert" button. After the conversion is complete, you can download your STL file.How long does it take to convert my PNG to STL file?
Converting from PNG format to STL format usually takes about 5 seconds. However, for more complex files, it may take more time. Please be patient.How accurate is the conversion from PNG to STL?
We strive to create the most accurate 3D converter. Development work is ongoing, with new features being released every week to meet the needs of users.Is it safe to convert my PNG to STL on 3dpea.com?
Of course! We will not store the files you upload, and the download link will expire when the current webpage is refreshed or the current browser application is closed.Can I convert PNG to STL on Linux, Android, iOS, or Mac OS?
Yes. 3DPEA file converter can run online on any system with modern internet, without the need to download or install any professional software.How does the conversion process work when transforming a PNG image into a STL 3D model?
Our PNG converter uses pixel data from your PNG file to create a height map for the 3D model. Each pixel’s brightness value is interpreted as a height value in the STL or other 3D model file such as 3MF. This way, you can turn your image into a 3D printable model quickly and easily with just a few clicks.What is the purpose of converting PNG files to STL for 3D printing?
Converting a PNG file into an STL format allows you to bring your 2D designs into the 3D world. This is ideal for creating personalized 3D objects, such as logos, custom designs, or even 3D models for prototypes and manufacturing.How do I edit the STL file after converting my PNG image?
Once you’ve converted your PNG file to an STL file, you can further edit the model using 3D modeling software like Blender, MeshLab, or TinkerCAD. These tools allow you to adjust, refine, or enhance your STL file before 3D printing. You can also click the "Create" button in the top right corner to import your STL file for further editing. Once published, you can share it across various social media platforms.Are there any alternatives to using PNG images for creating STL files?
Yes, our converter also supports other image formats, such as JPG, AVIF, and WEBP, to create STL files. If you're interested in converting JPG or SVG files, you can visit our JPG to STL and SVG to STL guides for more detailed instructions.Can I convert multiple PNG images to STL files at once?
Currently, our tool supports converting one PNG file at a time to an STL model. For batch processing, consider using offline batch conversion tools such as ConvUtils.Other PNG Convertsion Tools
You can also convert PNG file into many other file formats. Please see the complete list below.
Latest articles
From PNG to STL file format
PNG is a lossless compressed image file format that supports transparent backgrounds and high-resolution images. It provides high-quality images without taking up too much bandwidth, so it is widely used on the web. It contains 24-bit RGB color images, 8-bit grayscale images, and 24-bit images with alpha channels, and supports multiple color spaces, including sRGB, Adobe RGB, and grayscale. It can be created and edited in many different applications, including Adobe Photoshop, GIMP, and Microsoft Paint.
The STL file format is a file format used to describe three-dimensional objects. It consists of a series of triangular faces, each face composed of three vertices and a normal vector. It is commonly used in 3D printing and computer-aided design (CAD) software, where three-dimensional models can be exported as STL files for further processing and manufacturing. The STL file format is simple and easy to use, making it widely used in various fields.