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From Architect's CAD/BIM to 5-Axis CNC Stone Fabrication: Our Custom Millwork Workflow
Custom Fabrication · Knowledge Card RW-TYBLOG-0421 · Published 2026-10-22

From Architect's CAD/BIM to 5-Axis CNC Stone Fabrication: Our Custom Millwork Workflow

How our engineering desk converts DWG, DXF, and Revit files into precision-milled radial pool coping, fluted columns, and grand staircases.

RenWork V4 Verified Engineering Conclusion (RW-TYBLOG-0421)

Executive Takeaway for Specifiers & Importers

Every custom CNC element is assigned a unique piece code (`EL-A-101`), dry-assembled in our factory for ±0.5mm joint verification, and packed in installation sequence.

1. Architectural Context & Technical Scope

How our engineering desk converts DWG, DXF, and Revit files into precision-milled radial pool coping, fluted columns, and grand staircases. When specifying natural limestone for high-value residential villas, hospitality resorts, or commercial facades, decisions must be anchored in laboratory-verified petrographic and mechanical data rather than generic trade assumptions.

2. Verified Tianya Limestone Reference Benchmarks

Benchmark ParameterVerified Factory & Laboratory StandardReference Module
Petrographic ClassASTM C568 Category III High-Density Limestone (2,650 kg/m³)Module 04
Water Absorption & Frost0.85% – 1.80% (ASTM C97) · 100 Cycles Passed / F100 (ASTM C666 / GOST 30629)Module 06
Calibration & Pre-Shipment QC±1.0mm CNC Calibration + 3,000 m² Dry-Lay Hall Photo ApprovalModule 02
20GP Container Utilization20mm: ~500 m² | 30mm: ~320 m² | 50mm: ~190 m² (27 MT Payload)Module 05

3. Practical Specification & Procurement Checklist

  • Verify Density & Absorption First: Ensure project specifications mandate ASTM C568 Category III (≤ 1.8% absorption) and wet pendulum slip resistance matched to the micro-environment.
  • Request Good / Better / Best Container Options: Compare 20mm mortar-bonded slabs against 30mm heavy-duty pavers and custom CNC coping to optimize landed cost per m².
  • Lock in Physical Control Samples (`SMP-`): Approve physical swatches and our 3,000 m² factory dry-lay layout photographs prior to ISPM-15 crating.
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