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Mostly used CAD Software or Mechanical Computer-Aided Design (MCAD) Programs are SolidWorks, Siemens NX, PTC Creo, Dassault Catia and Autodesk Inventor etc.,
Every feature of parametric model can be created based on a set of dimensions and constraints to determine the size, shape, and location of that feature. Elements build on top of one another so that easy pathway to instantly change the model by adjusting a few dimensions.SolidWorks and Creo are two popular parametric CAD tools. But, also, they do have direct modelling modules.
Downside takes time to learn how to use all the tools of systems and how to set up models to take advantage of parametric design constraints
Files may grow larger and more complicated. This can slow down the design process by increasing file sizes and rebuild times while making it hard to understand the original design intent.
Direct modeling on the other hand relies on the existing geometry at the time of adding a new feature but carries no history.
A lot of different people touching the models locally and at partner teams abroad, then consider using a parameter-less design tool like Siemens NX.
To Tightly control the model with hire some experienced senior designers to oversee the project from start to finish, then a parameterized program like SolidWorks or Creo could work better for your team.
To Save investments and simple assemblies then tools like SolidWorks or Autodesk Inventor may be more appropriate for your team
Tools like Creo and NX offer more functionality in terms of complex surfacing and the ability to handle larger assemblies. Cost will be more with extra modules include simulation tools, PLM services, advanced surfacing tools.
Our advice is to look into cost, functionality, and usability before you make your decision.
| SolidWorks | Siemens NX | PTC Creo | |
| Primary Mode | Parametric | Direct | Parametric |
| Cost | XX | XXXX | XXXX |
| User Interface | Easy | Complex | Complex |
| Functionality | Medium | High | High |
