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Convert Your 3D Mesh/Model STEP Files to ABC

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Our free and fast tool will convert most 3D mesh or STEP (STEP-File) model files to a standard ABC (Alembic) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing. Our conversion tool can also batch convert multiple STEP files, up to 25 files at a time can be converted.

To convert your STEP file click the Upload button above and select the file to convert. Once selected, the file will be converted to a ABC file and will ready for download shortly afterwards. For more information about the STEP to ABC conversion process see the conversion information section below for more information.

How to Convert your STEP to ABC Online?

Here are 2 simple steps to convert your STEP to ABC.

Upload a STEP

Click the "Upload a STEP File" button and select a STEP to upload. The maximum file size is 50MB.

Download your ABC

Click the download link once completed to receive your ABC file.

Frequently Asked Questions

How can I convert my STEP file to ABC?

First click the "Upload..." button, select your STEP file to upload. Select any configuration options. When the STEP to ABC conversion has completed, you can download your ABC file straight away.

How long does it take to convert my STEP to ABC?

We aim to process all STEP to ABC conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.

How accurate is the STEP to ABC conversion?

We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to convert my STEP to ABC on ImageToStl.com?

Yes, of course! We do not store the STEP file you submit to us. The resulting ABC file, once created is deleted 15 minutes after upload and the download link will expire after this time.

Can I convert STEP to ABC on Windows, Linux, Android, iOS or Mac OS?

Yes! Our STEP to ABC tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.

What if I am using an Ad Blocker, will that affect things?

Yes. Although you can use an Ad Blocker, if you like our STEP conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.

I have several STEP files, can I batch convert my STEP to ABC?

Yes! Our STEP tool supports full batch conversions. You can upload up to 25 STEP files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the ABC files individually or download them all in a single ZIP file.

How does it work?

Converting from the STEP file format to ABC can be a complex process and any tool used for this conversion process needs to be able to handle a variety of data conversion tasks as well as identify any defects within the 3D model and fix them. Here we will explain the conversion process used by our tool to accurately convert your STEP file to a valid ABC 3D model. Lets start with the conversion process, which involves the following steps:

Step 1: Read the Source STEP File

In its simplest form, a STEP file is a human readable text file file containing 3D data such as shapes, surfaces, curves and other geometric data. When combined, these make up the 3D model you see on your screen.

Step 2: Process File Data

With the STEP file data read, our tool generates an internal representation of the full 3D model and will attempt to fix any geometry issues encountered. Along with repairing any issues with the 3D model, the tool will remove any duplicated vertices and prepare the model ready for exporting to the ABC format.

Step 3: Saving to the ABC Format

With the conversion process entering its final stages, our tool now needs to take the in-memory 3D model we have created in step 2 and convert this to the ABC format.

File format information for STEP to ABC

ExtensionSTEP
Full NameSTEP-File
Type3D Model
Mime Typeapplication/octet-stream
FormatBinary
ToolsSTEP Converters, 3D Model Voxelizer, Create STEP Animation, Text to STEP, View STEP
Open WithCAD Assistant

Description

The STEP file format is a 3D format defined in 1994 and used to store 3D objects for use in Computer-aided design (CAD) applications. STEP files are text-based formatted files containing one instance per line.

Although STEP files are widely supported by most CAD applications the format does have its limitations, such as the necessity to read the complete file into memory in order to parse the contents and due to the text storage of information the files can be quite large.

STEP Notes

STEP files when imported will be converted to 3D geometry comprising vertices and faces. If the STEP file contains color information this will be converted where possible.

Supported Features

  • Mesh geometry
  • Mesh colors
ExtensionABC
Full NameAlembic
Type3D Model
Mime Typeapplication/octet-stream
FormatBinary
ToolsABC Converters, 3D Model Voxelizer, Create ABC Animation, Text to ABC, View ABC
Open WithBlender, DAZ Studio

Description

The ABC (Alembic) file format is a graphics format containing 3D content which was originally developed by Sony Pictures Imageworks and Industrial Light & Magic and released in 2011. The aim of the ABC format is to enable the efficient interchange of 3D assets between different working entities.

The format can contain a variety of 3D object formats including polygon meshes, NURBS, parametric curves and more. The files can be opened by many 3D graphics applications including the popular open-source Blender application.

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