Triply Periodic Minimal Surface (TPMS) structures hold significant potential in engineering applications. However, they are typically modeled using tessellated meshes, which limit geometric accuracy and editability. This study presents a reverse modeling framework that integrates MATLAB with Computer-Aided Design (CAD) software to generate B-spline-based TPMS models. Within the developed TPMSpro software package, feature curves are automatically extracted, optimized, and exported as CAD-compatible scripts, enabling batch generation of B-spline curves for constructing high-precision TPMS structures. The resulting geometries can be exported in standard CAD formats (e. g. , STEP), enhancing surface smoothness, modeling flexibility, and facilitating downstream engineering tasks. • Propose a reverse modeling framework for B-spline-based TPMS models. • Automate feature curve optimization, extraction, and export in TPMSpro software. • Enables export to standard CAD formats (e. g. , STEP, XT). • Enhance models’ accuracy and editability compared to traditional methods.
Pu et al. (Fri,) studied this question.