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STL to OBJ – How to Convert STL Files to OBJ

Picture of Tian Ooi
by Tian Ooi
Feb 27, 2019
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Changing a file's format can be annoyingly frustrating at times. Converting an STL to OBJ, however, is quick and easy. We gathered all you need to know right here.

STL to OBJ What are STL and OBJ files?

STL and OBJ are two common file types for 3D models
STL and OBJ are two common file types for 3D models. Source: All3DP

STL and OBJ are two common file types used to save 3D models. STL files store a model as many small triangles, while OBJ files are more flexible and can use different polygons as well as freeform curves. OBJ files can also store color and texture, which makes them ideal for multi-color 3D printing.

In general, STLs are used mainly in 3D printing slicers (such as Cura) or modeling programs (such as Fusion 360) while OBJs are more universally used between CAD programs even outside the 3D printing world.

There’s plenty of situations where you might want to convert between the two types. Thankfully, it’s super easy!

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STL to OBJ Online Converter

Upload your STL file to MeshConvert to easily convert to OBJ online
Upload your STL file to MeshConvert to easily convert to OBJ online. Source: MeshConvert

One of the most straightforward ways to convert an STL to OBJ is to use an online converter. There’s many to choose from, such as MeshConvert or Greentoken.

These sites let you upload an STL file from your computer, pick an output format (OBJ) and then download the converted file. It’s all for free and takes no time at all. This method is great if you are downloading STLs from Thingiverse and want to convert your file to OBJs without firing up a program.

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STL to OBJ Using a CAD Program

Exporting as OBJ in Blender
Exporting as OBJ in Blender. Source: Author

Another easy way to convert an STL to OBJ is within your preferred modeling program.

Most CAD programs, such as Blender or Fusion 360, can import/export in both STL and OBJ. So one great way to convert is to import your STL into the program and then export the model as an OBJ file.

If you’re planning on making modifications to your model anyways, this is probably the easiest way to convert an STL into an OBJ file.

Feature image source: Hello Smart Blog

License: The text of "STL to OBJ – How to Convert STL Files to OBJ" by All3DP is licensed under a Creative Commons Attribution 4.0 International License.

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