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Creo Parametric (formerly Pro/Engineer), PTC's parametric, integrated 3D CAD/CAM/CAE software, is used by manufacturers for mechanical engineering, design, and manufacturing.

Pro/Engineer was the industry's first rule-based constraint (sometimes called "parametric" or "variational") 3D CAD modeling system. The parametric modeling approach uses parameters, dimensions, features, and relationships to capture intended model behavior. This design approach can be family-based or platform-driven, where the strategy is to use engineering constraints and relationships to quickly optimize the design, or where the resulting geometry may be complex or based upon equations. Creo Parametric provides a complete set of design, analysis and manufacturing abilities on one, integral, scalable platform. These required abilities include solid modeling, surfacing, rendering, data Interoperability, routed systems design, simulation, tolerance analysis, numerical control (NC) and tooling design.

Creo Parametric can be used to create a complete 3D digital model of manufactured goods. The models consist of 2D and 3D solid model data which can also be used downstream in finite element analysis, rapid prototyping, tooling design, and CNC manufacturing. All data are associative and interchangeable between the CAD, CAE, and CAM modules without data conversion. A product and its entire bill of materials (BOM) can be modeled accurately with fully associative engineering drawings, and revision control information. The associativity functionality in Creo Parametric enables users to make changes in the design at any time during the product development process and automatically update the end products. This ability enables concurrent engineering – design, analysis and manufacturing engineers working in parallel – and streamlines product development processes.

Creo Parametric is a software application within the CAID/CAD/CAM/CAE category.

Creo Parametric is a parametric, feature-based modeling architecture incorporated into a single database philosophy with rule-based design abilities. It provides in-depth control of complex geometry. The abilities of the product can be split into the three main headings of Engineering Design, Analysis and Manufacturing. This data is then documented in a standard 2D production drawing or the 3D drawing standard ASME Y14.41-2003.

Creo Parametric offers a range of tools to enable the generation of a complete digital representation of the product being designed. In addition to the general geometry tools there is also the ability to generate geometry of other integrated design disciplines such as industrial and standard pipe work and complete wiring definitions. Tools are also available to support collaborative development.

A number of concept design tools that provide up-front Industrial Design concepts can then be used in the downstream process of engineering the product. These range from conceptual Industrial design sketches, reverse engineering with point cloud data and comprehensive free-form surface.

Creo Parametric has numerous analysis tools available and covers thermal, static, dynamic and fatigue finite element analysis along with other tools all designed to help with the development of the product. These tools include human factors, manufacturing tolerance, mould flow and design optimization. The design optimization can be used at a geometry level to obtain the optimum design dimensions and in conjunction with the finite element analysis.

Creo Parametric has good surface modeling abilities, using commands like Boundary blend and Sweep. Advanced options like Style (Interactive Surface Design Extension - ISDX) and Freestyle provide more abilities to create complex models easily.

By using the fundamental abilities of the software with regards to the single data source principle, it provides a rich set of tools in the manufacturing environment in the form of tooling design and simulated CNC machining and output.

Tooling options cover specialty tools for molding, die-casting and progressive tooling design.

The UNIX version was discontinued after 4.0, except x86-64 Unix on Solaris. It was renamed Creo 1.0 after Pro/Engineer Wildfire 5.0 (rebranded PTC Creo Elements/Pro), occurred on October 28, 2010, which coincided with PTC's announcement of Creo, a new design software application suite.

For the first 10 years, PTC generally released 2 versions per year, with some exceptions. The initial release (Rev 1) was in 1988.

• Comparison of computer-aided design software
• Creo
• Creo Elements/View
• Pro/DESKTOP

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