SmartWeld — automated open-edge welding toolkit for Editable Poly objects in 3ds Max. Select Angle / Collapse: selects edges by face-to-face angle threshold for manual review. Weld Diagonal Edges: finds and welds diagonal/problem edges with inconsistent normals via iterative passes. Weld Clusters: builds BFS-grown clusters from open-edge segments, assigns non-conflicting passes via graph coloring, welds sequentially, then runs post-fix for doubled edges. Sweep pass follows if open edges remain. Weld Elements: fast pass-weld across all existing mesh elements using adjacency-based coloring. Select Glued Edges: combined detection of opposite normals, glued third-plane edges, doubled and coincident edges. Detach Elements / Detach-Attach Weld: splits object into per-element nodes with optional weld, reattaches back. Test Elem Split / Revert: moves elements apart by random offset for visual gap inspection, reverts accumulated moves. All operations support ESC cancellation, INI-based settings persistence, and locale-safe mm-to-WU conversion. Category -Maketer. https://maketer.gumroad.com/l/SmartWeld