Connect PTC Mathcad with your CAD system

If you have not seen it already, there’s a new PTC Mathcad video posted on focused on the value of PTC Mathcad for a CAD Engineer. With the release of PTC Mathcad Prime 3.1, you can now better streamline your PTC Mathcad calculations into your engineering workflows. In particular, CAD engineers can connect design documentation and calculations to their CAD models. With PTC Mathcad Prime 3.1’s Application Programming Interface (API) and Custom Functions, users can send data bi-directionally between PTC Mathcad and their CAD system.

In the video, mathematically derived fan blade cross sections are tagged as outputs and used to drive a CAD model of the fan itself. These cross section regions in PTC Mathcad are not scalar values, they are matrices with units; the newly, re-written API enables units to be passed for both scalar and non-scalar regions. This ability to connect and share data between the PTC Mathcad design calculations and the CAD model is an excellent way to ensure all requirements are met by the CAD model.


Not only can PTC Mathcad pass scalar values and entire matrices to external applications, but PTC Mathcad has custom functions available to export surfaces created in PTC Mathcad in STL and DXF file formats. Mathematically defined curves can also be exported from PTC Mathcad in IBL formats. For example, an equation defining the curve of a spring could be exported as in IBL format and opened into your CAD system ensuring the CAD model of the spring reflects the design calculations.


The PTC Mathcad for the CAD Engineer video shows a great example of the power that connecting your design documentation and calculations to your CAD model has on the product design lifecycle. Now it’s your turn, we at PTC are excited to see how you connect PTC Mathcad to your CAD system and design process!


Try it out for free in PTC Mathcad Express

Learn more through our new videos.


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