Files with ptn file extension can be usually found as patterns from Kubotek CADKEY software for MS-DOS, Windows and Unix.

There are 4 other file types using
the PTN file extension!

empty icon.ptn - Amaya dicopar data

empty icon.ptn - Housecall virus pattern

empty icon.ptn - PaperPort thumbnail images

empty icon.ptn - DigiStitch design

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PTN file extension - CADKEY pattern

What is ptn file? How to open ptn files?

File type specification:

Graphics file type icon Graphics file type

The ptn file extension seems to be mainly  related to CADKEY, a 3D modeling tool created by Kubotek. In 1990s, CADKEY was the most popular CAD 3D wireframe solution for the PC, superseded by Kubotek KeyCreator.

The ptn file contains pattern usable in CADKEY.

The default software associated to open ptn file:


Kubotek USA Inc. logoCADKEY  Microsoft Windows software

Company or developer:
Kubotek USA Inc.

CADKEY is modeling application used to create 2D and 3D CAD mechanical designs. In late 2003, Kubotek Corporation acquired the CADKEY technology and replaced the CADKEY product line with KeyCreator.

Help how to open:

The only software we know of that can work with this file is the original CADKEY.

How to convert:

Possibly can be exported to other graphics formats.

Find conversions from ptn file:

ptn to ckd

ptn to pdf

Find converter to ptn file type:

ckt to ptn

List of software applications associated to the .ptn file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ptn file, edit ptn file, convert ptn file, view ptn file, play ptn file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting ptn files.

Software that open ptn file - CADKEY pattern

Programs supporting the exension ptn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about CADKEY for open ptn file action.

Microsoft Windows:

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