Rhino 8 to 7 Converter

About This Tool

The tool accepts Rhino 8 3dm files and downgrades unsupported features to Rhino 7 equivalents while preserving geometry, layers, blocks, and hierarchy where possible. It is designed for studios, engineers, and freelancers who must exchange work with Rhino 7 teams or clients. Use cases include preparing project archives, client reviews, and cross-version handoffs when upgrade-to-Rhino 8 is not feasible.
The converter operates as a two-pass translator: it first analyzes the content to identify 8-only elements, then rewrites the model for Rhino 7 compatibility, applying unit normalization and topology-preserving mappings where supported.
Certain data such as plugins, new materials, or 8-exclusive object types may be downgraded or dropped; the tool reports these changes in a per-file log to aid QA and rework planning. It also supports batch processing to handle multiple files in a single run, with per-file results and consolidated summaries.
This approach yields reliable Rhino 7-friendly outputs while minimizing manual re-creation work and providing clear traceability for design handoffs and archival records.

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