All about LYS Files

The LYS file type is primarily associated with Lychee Slicer.

LYS	File extension: LYS
	File type:	project file

What is a LYS file

LYS files mostly belong to Lychee Slicer. LYS files are specialized project files used by Lychee Slicer for 3D printing. They store the settings and configurations that control how a 3D model is sliced for printing.
Key details within a LYS file include:

Slicing parameters such as layer settings and infill density

Support structure configurations

Model orientation and positioning

FilExt.com note: This file keeps the project data intact so that printing configurations remain consistent across sessions. For further information, check out the related webpage.

How to open LYS files

You need a suitable software like Lychee Slicer to open a LYS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your LYS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a LYS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online LYS Text Viewer

Choose your .lys file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert LYS files:

Lychee Slicer
See the previous paragraphs to learn more about the main application. LYS files are often referred to as Lychee Slicer 3d images because this type of file is primarily created or used by this software.
DataCAD (Layer Control File) by DATACAD LLC
Architectural CAD program. This file format is classified as CAD/CAM.

LYS format details:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the LYS files produces the following result:

The LYS file extension mainly uses a special format. The two most popular formats are as follows:

95% of all LYS files have the same signature 04 00 00 00. They consist of unreadable binary data. The average file size is 27 MB with most files being between 3 MB and 95 MB in size. The file type is a fairly new file format. The keywords files, mangoFiles, offset, size, scene and preview are typical for these files. Files like these are about supported, base, body, elite, heavy, pose, infantry and guard.

All other LYS files (5%) have different formats. They are often associated with head, torso, face, left, complete, dragon, fixed or wing. You can get all the details of your LYS file by dragging it onto this page or by clicking the button "Choose your .lys file to analyze" above.

Technical Data for LYS File Extension

File classification:

3D Image

Related files:

gcode, 3mf, amf, zip, lvs, lyt, stl, rar, lyx, sm3, dc5, aec, obj

a lys project file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with LYS files

Associate the LYS file extension with the correct application.
Update your software that should actually open project files. Because only the current version supports the latest LYS file format. Search, therefore, e.g. on the manufacturer website after an available Lychee Slicer update.
To make sure that your LYS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .LYS file online - secure, fast, and no downloads needed.