Seven Free STL Editors to Fix and Edit Your STL Files

Do you know Seven Free STL Editors to Fix and Edit Your STL Files? In this post, the best free STL editors will be reviewed. If you want to

Seven Free STL Editors to Fix and Edit Your STL Files

Do you know Seven Free STL Editors to Fix and Edit Your STL Files? In this post, the best free STL editors will be reviewed. If you want to 3D print something or use a 3D printing service, you must have a 3D file. You can either make one yourself or buy one online. However, you might not always find the precise files you require.

You might need to execute some file repairs in order to make your CAD models 3D printable. This blog post from a few weeks ago made an effort to respond to that question.

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In this article, you can know about 7 Free STL Editors to Edit and Repair your STL Files here are the details below;

Seven Free STL Editors to Fix and Edit Your STL Files
Seven Free STL Editors to Fix and Edit Your STL Files

What is an STL file?

Its main uses include rapid prototyping, 3D printing, and computer-aided manufacturing. The surfaces of a model are represented in this style by small triangles.

Because of this, if you’re looking for a 3D file to print out using a 3D printer, you’ll discover that many 3D models use this file type. Here are some tips to help you when you need to fix your STL files, which you might need to do occasionally.

Using an STL file editor

To fix and repair your file, you don’t need to be a 3D designer; you may do it on your own with little difficulty.

Using modelling software, you can change your STL file in one of two ways:

One possibility is CAD software (Computer Aided Design).
It’s initially created for construction.

As a result, it provides precise measurements and reliable modelling.

Even though it wasn’t initially designed for 3D printing, you may still use it to edit your STL files.

Tools for altering meshes are also accessible.
They are designed for modelling and for objects with a representation on a 2D surface.

The hollow nature of the products necessitates solidification prior to 3D printing.

The last step of your job is easy with these STL file editors.


FreeCAD is the name of a CAD application that is open source and free.

It uses parametric modelling and is open to a broad range of users, including both inexperienced and seasoned 3D designers.

It is so simple to use that you don’t need to be an expert CAD designer to utilise it.

But repairing your STL files or creating mechanical items will be wonderful.

2. Blender

Blender is another another top-notch free design tool for 3D printing. Another STL editor is this.

Numerous techniques for smoothing and understanding a surface are just a few of its many useful characteristics.

Using these software tools, STL files can be edited and fixed fast.

This STL file editor is great if you need to sculpt and work on tiny details of your 3D model.

However, it will take some time for you to get used to it because there are so many different 3D tools and options.

Another specific issue is that Blender requires a powerful computer to execute, especially if you have a high polygon model.

3. MeshLab

MeshLab is a comprehensive free and open source programme for editing STL files.

It is especially popular among professionals due to its robust mesh and point cloud processing capabilities.

They also like the alternatives it offers for handling extremely large files.

It offers a wide variety of processing methods, such as mesh analysis, automatic smoothing, remeshing, surface reconstruction, and visual inspection. Another STL editor is this.

Thus, modifying your STL files gives you a lot of power.

You cannot create STL files from start using it, but you may combine certain pre-existing STL files to create new models.

4. MeshMixer

Another STL editor is this. MeshMixer is a free mesh editing application.

It was downloadable.

Meshmixer, a modelling programme for 3D printing

MeshMixer is a free mesh editing application.

The Autodesk website offers a quick download of it.

If you only need to scale your 3D object or change a few little details, editing STL files is quite easy to do.

It takes into account any issues you might have with your file.

These software programmes enable you to obtain a fixed file that is ready for additive manufacturing.

It also has a built-in tool for slicing.

You may therefore send your file directly from MeshMixer to a 3D printer.

5. SketchUp

Seven Free STL Editors to Fix and Edit Your STL Files
Seven Free STL Editors to Fix and Edit Your STL Files

Previously known as Google SketchUp, the 3D modelling tool SketchUp is now owned by the architecture business Trimble Buildings. Another STL editor is this.

Two of its key features are how easy it is to use and the availability of all required tools for 3D model production.

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However, an STL file editor is deficient in a few crucial features.

In your STL file, for example, you cannot simply create a solid object or change the triangle mesh into editable squares.

6. SculptGL

This programme is great for editing STL files and learning 3D sculpting.

In contrast to professional sculpting software like ZBrush, it merely includes the core tools you need to modify and repair your STL files.

Because of this, we advise you to change software in order to keep utilising 3D modelling.

7. 3DSlash

3DSlash is a straightforward and cost-free 3D modelling tool.

It is simple to make 3D masterpieces using a building-block method inspired by Minecraft.

You can use the free 3D editor right from your browser and download it for free.

The programme is so basic that while enthusiasts will enjoy it, professionals shouldn’t truly utilise it.

It enables STL file editing for amateurs without the requirement to learn how to use a 3D modelling application. Another STL editor is this.

Discover Sculpteo’s Online editing and repairing tools for your STL files

It’s good news that you don’t always have to edit and fix your STL files with an STL file editor.

If you don’t know how to use 3D tools or don’t want to utilise design software to edit your STL files, we will even fix your CAD models for you.

When you upload your STL file to Sculpteo’s website, you may instantly fix your files because most of the tools you require are available.

We provide three different kinds of tools for your use.

Optimization tools

These tools can help you prepare your STL file for 3D printing.

You could, for instance, hollow it out to utilise less material and make the product lighter.

You can also use our batch control and orientation tools.

You may learn more about our optimization tools in this blog centre.

Repairing tools

Our online repair tools can be used for this.

Several algorithms directly evaluate and correct your STL file before it can be used for 3D printing.

We go into greater depth about our repair tools in this blog post.

Reviewing tools

Last but not least, you can directly check your model on our website before 3D printing it.

We offer cutaway views, solidity checks, thickening, and 3D print dossiers.

The STL file you made will thereafter be exact, you can be sure of that.

We’ll be thinking about you as you look for the best STL editor to modify your 3D model.

Now that your recovered models are fully 3D printable, you can upload your files straight to our online 3D printing service.

You may read more about our reviewing tools in our blog post.

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