| Aspect | Limitation | |--------|-------------| | | None (cannot move/copy entities) | | 3D models | Won’t show 3D solids/surfaces properly | | Large files | Slow with >20 MB complex drawings | | Free version | Single-file conversion, no script/CLI | | Modern DWG | Supports up to DWG 2018 (not 2021+ natively) |
No article on DWG gateways is complete without mentioning the . This non-profit consortium (including giants like Bentley Systems, Siemens, and Trimble) maintains the Teigha (now ODA Drawings SDK). This SDK is the gold standard for DWG gateways.
When evaluating a DWG Gateway for your organization, look for these critical capabilities:
“The gateway doesn’t care about the drawing—it cares about the data inside the drawing. That’s what keeps the building standing and the warehouse moving.”
They are widely used by enterprises and call centers to reduce telephony costs by routing calls over cellular networks instead of traditional landlines. Key Comparisons Feature SolidWorks DWG Gateway Dinstar DWG Gateway Industry CAD / Engineering Telecommunications / IT Nature Software Utility Hardware Appliance Primary Use Opening new DWG files in old AutoCAD Converting GSM calls to VoIP (SIP) Current Status Largely legacy; replaced by newer viewers Active product line for business comms Autodesk: keeping it Real - AEC Magazine