We analyzed both processes using test sets spanning models with a growing number of holes (10-300) and bends (1-3), measuring the time spent in each stage: model loading, hole generation, animation frame rendering, and collision validation. In both cases we found the same pattern: processing time grew exponentially with the number of holes, while the number of bends had no meaningful effect. For the 3D model, generation time reached over 13 minutes at 300 holes; in the bending process, for a busbar with 170 holes, hole generation and frame rendering took 64 seconds - 99% of the total animation time. This pointed to a shared root cause: sequential, per-hole geometry generation instead of batched operations, plus a full rebuild of the collision model on every change.

We recommended replacing sequential hole creation with a single batched operation (ExtrudeRemoveThroughPattern), caching collision validation, moving model and animation generation to a background thread, and unblocking the UI when switching tabs so operators no longer have to wait for a full preview before starting work. Implementing these changes is projected to deliver a 75-85% performance improvement, cutting processing time for the largest models from several minutes down to single-digit seconds. Independent of the optimization work, we extended BPS with import support for DWG, DXF and STEP files, letting ERKO's customers load their existing CAD documentation directly into the application without manually recreating busbar geometry.