2Dto3D
Drop in any flat image — a dog, a logo, a sketch — and watch it rebuild itself as a rotatable 3D object.
Drop a 2D image here
PNG, JPG, WEBP or GIF
Format Guide & Technical FAQ
A plain-English look at how flat 2D files become true 3D meshes, and what 2Dto3D can do with them.
Understanding 2D Vectors vs. 3D Meshes
To successfully generate high-quality assets, it is important to understand how data translates between dimensions. 2D vector files, such as SVG or DXF, do not rely on pixels. Instead, they use mathematical equations to define lines, curves, anchor points, and paths on a flat X and Y coordinate plane. These paths are infinitely scalable and clean, making them the perfect blueprint for dimensional extrusion.
When our engine processes your 2D vectors, it translates those flat coordinates into a 3D coordinate system by introducing the Z-axis (depth). The flat paths are closed, calculated, and mathematically projected outward. The engine automatically synthesizes side geometry, creating structural polygons that connect the original front face to a newly generated back face.
The output of this process is a 3D mesh file, such as an STL, OBJ, or GLTF. Unlike a vector line, a 3D mesh is a complex network of thousands of interconnected vertices, edges, and flat polygons (usually triangles). These polygons wrap around an empty space to form a "watertight" geometric volume that 3D slicing software or real-time game engines can accurately interpret.
Achieving a clean conversion requires clean source data. Overlapping lines or unclosed vector paths in an SVG can cause math errors during extrusion, resulting in missing faces or inverted normals in your final 3D object. Ensuring your paths are joined and clean ensures a flawless 3D mesh generation.
Frequently Asked Questions
Q: What are the maximum file limits for upload?
A: Our system supports 2D vector and image uploads up to 15MB. Extremely dense vector files with hundreds of thousands of anchor points may take longer to calculate and extrude.
Q: Why does my generated 3D mesh have missing faces or holes?
A: This usually happens if your source 2D file contains "open paths" (lines that do not loop back and connect to form a solid shape). Please ensure all shapes in your SVG or DXF are fully closed vectors before running the generator.
Q: Which 3D format should I download for my specific project?
A: If you plan on 3D printing your object, download the STL format. If you are importing the asset into a game engine like Unity or Unreal Engine, or web software, GLTF or OBJ formats are highly recommended as they handle scale and scene data cleanly.
Q: How does the engine handle overlapping geometry in an SVG?
A: Our engine utilizes a boolean fill rule. Overlapping paths that reside inside one another will automatically be treated as a negative cutout (creating a hole in your 3D mesh), which is ideal for creating gears, stencils, or logo text.