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How to convert KeyCreator (CADKEY,.prt,.ckd) to 3MF?

PolyTrans|CAD+DCC performs mathematically precise CAD, DCC/Animation, GIS and BIM 3D file conversions into all key downstream 3D packages and file formats. Okino software is used and trusted throughout the world by many tens of thousands of 3D professionals in mission & production critical environments, backed by respectable personal support directly from our core development team.

KeyCreator

KeyCreator is a non-parametric, non-history based, "direct" 2D/3D solid modeling CAD program. Originally known as CADKEY, it was among the first CAD programs with 3D capabilities for PCs. Besides solid modeling, KeyCreator is also capable of wire-frame and surface modeling, as well as drafting.

KeyCreator has good support for exporting to all of the major 3D file formats, including STEP, ACIS SAT, IGES, Parasolid, STEP and STL. STL is the least desireable format to use. Recommended formats for importing KeyCreator data into Okino software is ACIS SAT, IGES and Parasolid.

3MF

3MF, 3D Manufacturing Format, is a modern replacement for the legacy STL (StereoLithography) file format with an explicit focus on the proper transmission of CAD and non-CAD model data for 3D printing as well as to downstream services and platforms. From Okino's long term perspective, the VRML2 file format was and is "just as good" for such requirements but never had the correct understanding nor traction since its introduction in 1995.

Features of 3MF over the legacy STL format includes: geometry instancing support, layered texture maps, multiple layers of UV texture coordinates, vertex colors and extended material types.

History, features, overviews, implementation partners and more can be read on the 3MF Consortium’s web site.

Note: Microsoft Windows uses the 3D Manufacturing Format (.3mf) for all 3D printing tasks.

Please also refer to the 3MF export converter for more information related to 3MF.

STEP import converter's overview

3MF export converter's overview