HomeArchive ConverterRAR ConverterConvert RAR to STL

Free Online RAR to STL Converter

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your RAR file, once uploaded to our server will be deleted 15 minutes after upload so please download your converted RAR file before this time.

How to Convert your RAR to STL Online?

Here are 2 simple steps to convert your RAR to STL using our fast and free RAR converter tool.

Upload your RAR file

Click the "Upload a RAR File" button, then select a RAR to upload. The maximum file size is 100MB.

Download your STL

Click the download link to receive your STL file.

File format information for RAR and STL

Full NameWinRAR
Mime Typeapplication/x-rar-compressed

A RAR file is a type of compressed archive format used to store and bundle one or more files into a single container. RAR stands for "Roshal Archive" after its creator, Eugene Roshal. The primary purpose of RAR files is to reduce the overall file size, making it easier to transfer or store multiple files as a single entity. RAR compression achieves this by using various algorithms that remove redundant or unnecessary data from the files, resulting in a smaller file size.

RAR files are popular in the digital world, especially for sharing and distributing large amounts of data over the internet. They are commonly used for compressing software programs, multimedia files, documents, and other types of data. To access the content within a RAR file, you need specific software capable of decompressing and extracting the files back to their original state. One of the most popular programs for handling RAR files is WinRAR, but there are also other free and paid alternatives available for different operating systems.

RAR files offer several advantages, including efficient compression, password protection, and the ability to split large archives into smaller parts. This segmentation is useful for spanning the files across multiple storage devices or when dealing with file size limitations on certain platforms. However, it's essential to ensure the integrity of RAR files during transfer or download, as a single corrupted part can make the entire archive inaccessible. As such, using reliable sources and checksum verification is crucial when working with RAR files.

Full NameStandard Triangle Language
Type3D Model
Mime Typeapplication/vnd.ms-pki.stl
Opens WithBlender, MeshLab, CAD Assistant, DAZ Studio

An STL file, short for Stereolithography, is a widely used file format in 3D printing and computer-aided design (CAD) applications. It serves as a standard method to represent the surface geometry of a three-dimensional object. The format was first developed by 3D Systems in 1987 and has since become a fundamental file type in the additive manufacturing industry. STL files are essential in the process of converting digital 3D models into physical objects through 3D printing technology.

STL files consist of a collection of triangular facets that approximate the shape of the 3D model. The surface of the object is divided into numerous small triangles, forming a mesh representation. Each triangle is defined by three vertices in 3D space and possesses information about its orientation and size. Since STL files store only the outer surface of the model, they are often referred to as "mesh" files or "surface" files, as they lack information about the object's internal structure or color.

When using STL files for 3D printing, slicing software processes the 3D model by dividing it into layers and creating the instructions for the 3D printer to build the object layer by layer. Despite its simplicity and widespread usage, STL files have some limitations. They do not support color or texture information, and the triangle-based representation can lead to larger file sizes and reduced accuracy compared to other file formats. Nonetheless, STL remains a vital format in the 3D printing ecosystem due to its simplicity and compatibility with a wide range of 3D printers and software.

Information for converting from RAR to STL

Our RAR archive converter will examine the contents of your RAR file and will look for any 3D model file that it may contain and this, once found, will be extracted and converted to a 3D STL file ready for download.

Frequently Asked Questions

How can I convert my RAR file to STL?

First click the "Upload..." button, select your RAR file to upload. Your RAR file will be uploaded to our servers. When the RAR to STL conversion has completed, you can download your STL file straight away.

How long does it take to convert my RAR to STL?

We aim to process all RAR to STL conversions as quickly as possible, this usually takes around 5 seconds however this can be longer for certain files, so please be patient.

How accurate is the RAR to STL conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development with new features being added every week.