# HVR, Designcenter NX vs Inventor Comparison | | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Star Rating** | 4.2 out of 5 | 4.4 out of 5 | 4.4 out of 5 | | **Total Reviews** | 13 | 527 | 440 | | **Largest Market Segment** | Enterprise (76.9% of reviews) | Enterprise (37.3% of reviews) | Mid-Market (42.7% of reviews) | | **Entry Level Price** | No pricing available | Starting at $238.75 1 Subscription Per Month | $2085 1 year | --- ## Top Pros & Cons ### HVR **Not enough data** ### Designcenter NX Pros: - Features (80 reviews) - Ease of Use (64 reviews) Cons: - Learning Curve (31 reviews) - Learning Difficulty (30 reviews) ### Inventor Pros: - Ease of Use (2 reviews) - 3D Modeling (1 reviews) Cons: - Assembly Issues (1 reviews) - Complexity (1 reviews) --- ## Ratings Comparison | Rating | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Meets Requirements** | 8.0 (10 reviews) | 9.0 (237 reviews) | 8.8 (376 reviews) | | **Ease of Use** | 7.8 (9 reviews) | 8.2 (437 reviews) | 8.4 (377 reviews) | | **Ease of Setup** | 8.9 (6 reviews) | 8.0 (301 reviews) | 7.9 (107 reviews) | | **Ease of Admin** | 8.3 (6 reviews) | 8.3 (38 reviews) | 7.7 (99 reviews) | | **Quality of Support** | 8.1 (9 reviews) | 8.6 (224 reviews) | 8.1 (346 reviews) | | **Has the product been a good partner in doing business?** | 9.8 (7 reviews) | 8.6 (38 reviews) | 8.2 (94 reviews) | | **Product Direction (% positive)** | 8.7 (9 reviews) | 8.8 (230 reviews) | 8.3 (371 reviews) | --- ## Pricing ### HVR #### Entry-Level Pricing No pricing available #### Free Trial Yes ### Designcenter NX #### Entry-Level Pricing Plan: Designcenter X NX Essentials Price: Starting at $238.75 1 Subscription Per Month Description: Browser-based essential NX CAD, CAM and CAE tools. Create and edit NX data with zero translation. Key Features: - Feature-based solid modeling - Synchronous technology - Drafting [Browse all 4 editions](https://www.g2.com/products/designcenter-nx/pricing) #### Free Trial Yes ### Inventor #### Entry-Level Pricing Plan: 1 Year Price: $2085 1 year Description: Choose online store or reseller or call toll-free 1-844-821-0545. [Browse all 4 editions](https://www.g2.com/products/inventor/pricing) #### Free Trial Yes --- ## Features Comparison By Category ### General-Purpose CAD | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | 8.2/10 | 38 | #### Design | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Drawing** | Not enough data | Not enough data | 8.6 (37 reviews) | | **Modeling** | Not enough data | Not enough data | 8.9 (37 reviews) | | **Visualize ** | Not enough data | Not enough data | 8.5 (38 reviews) | | **Rendering** | Not enough data | Not enough data | 7.6 (35 reviews) | #### Edit | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **File Import ** | Not enough data | Not enough data | 8.2 (37 reviews) | | **Push/Pull** | Not enough data | Not enough data | 7.4 (36 reviews) | | **Views** | Not enough data | Not enough data | 8.0 (37 reviews) | | **Grips ** | Not enough data | Not enough data | 7.7 (36 reviews) | #### Collaboration | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Annotate** | Not enough data | Not enough data | 8.1 (36 reviews) | | **Documentation ** | Not enough data | Not enough data | 8.6 (36 reviews) | | **Data Extract** | Not enough data | Not enough data | 8.2 (36 reviews) | ### Additive Manufacturing | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | 8.2/10 | 56 | | **Inventor** | N/A | N/A | #### File Support - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **STL Compatible** | Not enough data | 8.9 (48 reviews) | Not enough data | | **3MF Compatible** | Not enough data | 8.6 (47 reviews) | Not enough data | | **OBJ Compatible** | Not enough data | 8.9 (49 reviews) | Not enough data | #### File Editing - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Mesh Repair** | Not enough data | 8.2 (52 reviews) | Not enough data | | **File Editing** | Not enough data | 9.1 (51 reviews) | Not enough data | #### Software Integrations - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Standalone Slicer** | Not enough data | 8.4 (49 reviews) | Not enough data | | **Inetgrated 3D Modeling** | Not enough data | 9.2 (51 reviews) | Not enough data | #### Software Type - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Cloud-based Platform** | Not enough data | 8.3 (47 reviews) | Not enough data | | **Downloadable Application** | Not enough data | 8.9 (48 reviews) | Not enough data | #### Generative AI - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **AI Text-to-Image** | Not enough data | 5.9 (15 reviews) | Not enough data | | **AI Text-to-3D** | Not enough data | 6.2 (15 reviews) | Not enough data | #### Building Preparation - Additive Manufacturing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Material Management** | Not enough data | Not enough data | Not enough data | | **Building Simulation** | Not enough data | Not enough data | Not enough data | | **Slicing Optimization** | Not enough data | Not enough data | Not enough data | ### Simulation & CAE | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | 7.5/10 | 20 | #### Design | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **3D/solid modeling Tools** | Not enough data | Not enough data | 9.0 (20 reviews) | | **Drawing Tools** | Not enough data | Not enough data | 8.6 (20 reviews) | | **Editing Tools** | Not enough data | Not enough data | 8.7 (20 reviews) | | **Rendering tools** | Not enough data | Not enough data | 7.6 (19 reviews) | #### Tools | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Fluid analysis** | Not enough data | Not enough data | 5.6 (16 reviews) | | **Finite element analysis** | Not enough data | Not enough data | 7.5 (19 reviews) | | **Multibody dynamics** | Not enough data | Not enough data | 7.1 (17 reviews) | #### Work | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Discrete event modeling** | Not enough data | Not enough data | 6.9 (15 reviews) | | **Continuous event modeling** | Not enough data | Not enough data | 6.8 (15 reviews) | | **Mechanical event simulation** | Not enough data | Not enough data | 7.2 (16 reviews) | | **Manufacturing process simulation** | Not enough data | Not enough data | 7.6 (14 reviews) | | **Integrate** | Not enough data | Not enough data | 7.6 (16 reviews) | #### Environment | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Hardware support** | Not enough data | Not enough data | 7.7 (17 reviews) | | **Task** | Not enough data | Not enough data | 7.7 (18 reviews) | | **Manage Multiple Profiles** | Not enough data | Not enough data | 6.9 (18 reviews) | | **Command Clarity** | Not enough data | Not enough data | 8.1 (19 reviews) | ### Data Mapping | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | N/A | N/A | #### Functionality | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Data visualisation** | Not enough data | Not enough data | Not enough data | | **Data transformation** | Not enough data | Not enough data | Not enough data | | **Data migration** | Not enough data | Not enough data | Not enough data | | **Process various formats** | Not enough data | Not enough data | Not enough data | | **No-code functionality** | Not enough data | Not enough data | Not enough data | | **Data manipulation** | Not enough data | Not enough data | Not enough data | | **Analytics** | Not enough data | Not enough data | Not enough data | | **Reporting** | Not enough data | Not enough data | Not enough data | ### Data Replication | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | N/A | N/A | #### Management | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Real-Time Analytics** | Not enough data | Not enough data | Not enough data | | **Solution Integration** | Not enough data | Not enough data | Not enough data | | **Infrastructure Compatibility** | Not enough data | Not enough data | Not enough data | | **Monitoring** | Not enough data | Not enough data | Not enough data | #### Solution Provision | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **System Failover** | Not enough data | Not enough data | Not enough data | | **Pay by Usage** | Not enough data | Not enough data | Not enough data | | **Service Provision** | Not enough data | Not enough data | Not enough data | ### Mechanical Computer-aided Design (MCAD) | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | 8.8/10 | 89 | | **Inventor** | 9.0/10 | 6 | #### Tools - Mechanical Computer-aided Design (MCAD) | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **3D/solid modeling Tools** | Not enough data | 9.3 (77 reviews) | 9.0 (5 reviews) | | **Rendering Tools** | Not enough data | 8.6 (72 reviews) | Not enough data | | **Drawing Tools** | Not enough data | 9.1 (73 reviews) | 9.3 (5 reviews) | | **Editing Tools** | Not enough data | 9.3 (74 reviews) | Not enough data | | **Text Editing Tools** | Not enough data | 8.7 (72 reviews) | Not enough data | #### File Options - Mechanical Computer-aided Design (MCAD) | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Export Files** | Not enough data | 9.0 (73 reviews) | Not enough data | | **Import Files** | Not enough data | 8.7 (74 reviews) | Not enough data | | **File Interoperability** | Not enough data | 8.7 (73 reviews) | 9.3 (5 reviews) | | **Backwards compatibility** | Not enough data | 8.5 (73 reviews) | Not enough data | | **File size** | Not enough data | 8.7 (73 reviews) | 8.3 (5 reviews) | #### Customization - Mechanical Computer-aided Design (MCAD) | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Custom Commands** | Not enough data | 8.6 (73 reviews) | Not enough data | | **Custom Scripts** | Not enough data | 8.2 (72 reviews) | Not enough data | | **Custom Menus** | Not enough data | 8.7 (72 reviews) | Not enough data | | **Custom Interface** | Not enough data | 8.8 (75 reviews) | Not enough data | #### Environment - Mechanical Computer-aided Design (MCAD) | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Hardware support** | Not enough data | 8.8 (74 reviews) | Not enough data | | **Task-based interfaces** | Not enough data | 8.6 (72 reviews) | Not enough data | | **Manage Multiple Profiles** | Not enough data | 8.8 (72 reviews) | Not enough data | | **Command Clarity** | Not enough data | 8.9 (76 reviews) | Not enough data | ### Backup | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | N/A | N/A | #### Management | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Disaster Recovery** | Not enough data | Not enough data | Not enough data | | **Remote Backup** | Not enough data | Not enough data | Not enough data | | **Storage Formats** | Not enough data | Not enough data | Not enough data | | **Scheduled Backups** | Not enough data | Not enough data | Not enough data | | **On-Demand Restoration** | Not enough data | Not enough data | Not enough data | #### Reporting | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Activity Monitoring** | Not enough data | Not enough data | Not enough data | | **Documentation** | Not enough data | Not enough data | Not enough data | | **Alerts/Notifications** | Not enough data | Not enough data | Not enough data | #### Security | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Data Encryption** | Not enough data | Not enough data | Not enough data | | **Security and Compliance** | Not enough data | Not enough data | Not enough data | | **Deduplication ** | Not enough data | Not enough data | Not enough data | ### Big Data Processing and Distribution | Product | Score | Reviews | |---|---|---| | **HVR** | 9.2/10 | 5 | | **Designcenter NX** | N/A | N/A | | **Inventor** | N/A | N/A | #### Database | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Real-Time Data Collection** | 9.3 (5 reviews) | Not enough data | Not enough data | | **Data Distribution** | 9.0 (5 reviews) | Not enough data | Not enough data | | **Data Lake** | Not enough data | Not enough data | Not enough data | #### Integrations | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Hadoop Integration** | Not enough data | Not enough data | Not enough data | | **Spark Integration** | Not enough data | Not enough data | Not enough data | #### Platform | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Machine Scaling** | Not enough data | Not enough data | Not enough data | | **Data Preparation** | Not enough data | Not enough data | Not enough data | | **Spark Integration** | Not enough data | Not enough data | Not enough data | #### Processing | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Cloud Processing** | Not enough data | Not enough data | Not enough data | | **Workload Processing** | Not enough data | Not enough data | Not enough data | ### Big Data | Product | Score | Reviews | |---|---|---| | **HVR** | N/A | N/A | | **Designcenter NX** | N/A | N/A | | **Inventor** | N/A | N/A | #### Building Reports | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Data Transformation** | Not enough data | Not enough data | Not enough data | | **Data Modeling** | Not enough data | Not enough data | Not enough data | | **WYSIWYG Report Design** | Not enough data | Not enough data | Not enough data | | **Integration APIs** | Not enough data | Not enough data | Not enough data | #### Platform | Feature | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Mobile User Support** | Not enough data | Not enough data | Not enough data | | **Customization ** | Not enough data | Not enough data | Not enough data | | **User, Role, and Access Management** | Not enough data | Not enough data | Not enough data | | **Internationalization** | Not enough data | Not enough data | Not enough data | | **Sandbox / Test Environments** | Not enough data | Not enough data | Not enough data | | **Performance and Reliability** | Not enough data | Not enough data | Not enough data | | **Breadth of Partner Applications** | Not enough data | Not enough data | Not enough data | --- ## Categories **Unique to HVR (5):** [Data Replication Software](https://www.g2.com/categories/data-replication), [Data Mapping Software](https://www.g2.com/categories/data-mapping), [Big Data Integration Platforms](https://www.g2.com/categories/big-data-integration-platforms), [Stream Analytics Software](https://www.g2.com/categories/stream-analytics), [Big Data Processing And Distribution Systems](https://www.g2.com/categories/big-data-processing-and-distribution) **Unique to Designcenter NX (2):** [Mechanical Computer-aided Design (MCAD) Software](https://www.g2.com/categories/mechanical-computer-aided-design-mcad), [Additive Manufacturing Software](https://www.g2.com/categories/additive-manufacturing) **Unique to Inventor (3):** [Mechanical Computer-aided Design (MCAD) Software](https://www.g2.com/categories/mechanical-computer-aided-design-mcad), [Simulation & CAE Software](https://www.g2.com/categories/simulation-cae), [General-Purpose CAD Software](https://www.g2.com/categories/general-purpose-cad) --- ## Reviewer Demographics ### By Company Size | Segment | HVR | Designcenter NX | Inventor | |---|---|---|---| | **Small-Business** | 7.7% | 28.6% | 35.0% | | **Mid-Market** | 15.4% | 34.2% | 42.7% | | **Enterprise** | 76.9% | 37.3% | 22.3% | ### By Industry #### HVR - **Information Technology and Services:** 15.4% - **Hospital & Health Care:** 15.4% - **Computer Software:** 15.4% - **Semiconductors:** 7.7% - **Retail:** 7.7% - **Logistics and Supply Chain:** 7.7% - **Financial Services:** 7.7% - **Construction:** 7.7% - **Banking:** 7.7% - **Airlines/Aviation:** 7.7% #### Designcenter NX - **Automotive:** 15.8% - **Aviation & Aerospace:** 13.3% - **Mechanical or Industrial Engineering:** 11.4% - **Airlines/Aviation:** 5.8% - **Defense & Space:** 5.8% - **Design:** 5.6% - **Oil & Energy:** 4.0% - **Manufacturing:** 3.7% - **Consumer Electronics:** 2.9% - **Semiconductors:** 2.5% - **Other:** 29.3% #### Inventor - **Mechanical or Industrial Engineering:** 24.9% - **Machinery:** 7.8% - **Design:** 7.1% - **Construction:** 5.0% - **Oil & Energy:** 3.8% - **Utilities:** 3.8% - **Automotive:** 2.6% - **Electrical/Electronic Manufacturing:** 2.6% - **Industrial Automation:** 2.4% - **Education Management:** 2.4% - **Other:** 37.7% --- ## Alternatives ### Alternatives to HVR - [Qlik Replicate](https://www.g2.com/products/qlik-replicate/reviews) — 4.3/5 stars (110 reviews) - [Snowflake](https://www.g2.com/products/snowflake/reviews) — 4.6/5 stars (754 reviews) - [Google Cloud BigQuery](https://www.g2.com/products/google-cloud-bigquery/reviews) — 4.5/5 stars (1227 reviews) - [Databricks](https://www.g2.com/products/databricks/reviews) — 4.6/5 stars (782 reviews) - [Boomi](https://www.g2.com/products/boomi/reviews) — 4.4/5 stars (505 reviews) - [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2280 reviews) - [Workato](https://www.g2.com/products/workato/reviews) — 4.7/5 stars (755 reviews) - [Veeam Data Platform](https://www.g2.com/products/veeam-data-platform/reviews) — 4.6/5 stars (717 reviews) - [Alteryx](https://www.g2.com/products/alteryx/reviews) — 4.6/5 stars (810 reviews) - [Posit](https://www.g2.com/products/posit-posit/reviews) — 4.5/5 stars (570 reviews) ### Alternatives to Designcenter NX - [Onshape](https://www.g2.com/products/onshape/reviews) — 4.7/5 stars (695 reviews) - [SOLIDWORKS](https://www.g2.com/products/solidworks/reviews) — 4.5/5 stars (643 reviews) - [Autodesk Fusion](https://www.g2.com/products/autodesk-fusion/reviews) — 4.5/5 stars (519 reviews) - [Creo](https://www.g2.com/products/creo-2025-08-26/reviews) — 4.1/5 stars (200 reviews) - [AutoCAD](https://www.g2.com/products/autocad/reviews) — 4.4/5 stars (1934 reviews) - [Blender](https://www.g2.com/products/blender/reviews) — 4.6/5 stars (316 reviews) - [CATIA](https://www.g2.com/products/catia/reviews) — 4.2/5 stars (255 reviews) - [Rhinoceros](https://www.g2.com/products/rhinoceros/reviews) — 4.4/5 stars (191 reviews) - [Altium Develop](https://www.g2.com/products/altium-develop/reviews) — 4.5/5 stars (997 reviews) - [FreeCAD](https://www.g2.com/products/freecad/reviews) — 4.1/5 stars (61 reviews) ### Alternatives to Inventor - [Onshape](https://www.g2.com/products/onshape/reviews) — 4.7/5 stars (695 reviews) - [SOLIDWORKS](https://www.g2.com/products/solidworks/reviews) — 4.5/5 stars (643 reviews) - [Designcenter Solid Edge](https://www.g2.com/products/designcenter-solid-edge/reviews) — 4.3/5 stars (599 reviews) - [Creo](https://www.g2.com/products/creo-2025-08-26/reviews) — 4.1/5 stars (200 reviews) - [IronCAD](https://www.g2.com/products/ironcad/reviews) — 4.4/5 stars (43 reviews) - [CATIA](https://www.g2.com/products/catia/reviews) — 4.2/5 stars (255 reviews) - [Rhinoceros](https://www.g2.com/products/rhinoceros/reviews) — 4.4/5 stars (191 reviews) - [FreeCAD](https://www.g2.com/products/freecad/reviews) — 4.1/5 stars (61 reviews) - [SolidWorks Simulation](https://www.g2.com/products/solidworks-solidworks-simulation/reviews) — 4.4/5 stars (60 reviews) - [SketchUp](https://www.g2.com/products/sketchup/reviews) — 4.5/5 stars (1324 reviews) --- ## Top Discussions ### HVR No discussions available for this product. ### Designcenter NX - Title: [Which companies are using NX software?](https://www.g2.com/discussions/which-companies-are-using-nx-software) — 3 comments, 1 upvote > **Top comment:** "https://www.sw.siemens.com/de-DE/customer-case-study/?fm_1ARrzH=true&f2=EwNgrAjFEiQ" - Title: [What is NX software used for?](https://www.g2.com/discussions/what-is-nx-software-used-for) — 3 comments > **Top comment:** "NX software used mainly for CAD modeling, Simulation And analysis" - Title: [What is NX CAD used for?](https://www.g2.com/discussions/what-is-nx-cad-used-for) — 2 comments > **Top comment:** "It is used for Product design as well as Tool/Mold design. It is also used for 2D drawing. In die casting industry, it is used vastly for Mold design due to..." - Title: [Can I use NX for 3D printing purpose?](https://www.g2.com/discussions/can-i-use-nx-for-3d-printing-purpose) — 2 comments, 1 upvote > **Top comment:** "Yes. You can use" ### Inventor - Title: [What are some of the best practices for students working in groups to use Inventor?](https://www.g2.com/discussions/what-are-some-of-the-best-practices-for-students-working-in-groups-to-use-inventor) — 2 comments, 1 upvote > **Top comment:** "Hi, to be honest with you, I would work with a consultant on that. It shouldn't take more than a day for a consultant to help with a report that will answer..." - Title: [How do you handle the data creation problem?](https://www.g2.com/discussions/how-do-you-handle-the-data-creation-problem) — 2 comments, 1 upvote > **Top comment:** "You basically need to create each model from scratch in Inventor. You can copy your AutoCAD in Inventor and extrude the models but the models won't be..." - Title: [Is integration with other Autodesk products being considered?](https://www.g2.com/discussions/15145-is-integration-with-other-autodesk-products-being-considered) — 2 comments, 1 upvote > **Top comment:** "Autodesk published a video on how to export Inventor parts to Revit here: https://www.youtube.com/watch?v=ue7-WtyiUtI" - Title: [Is there a good place to look for more advanced tutorials/examples for iLogic?](https://www.g2.com/discussions/13895-is-there-a-good-place-to-look-for-more-advanced-tutorials-examples-for-ilogic) — 2 comments, 1 upvote > **Top comment:** "I'm not aware of a flat out repository for examples, but there is a fantastic thread on the Inventor forum that showcases a ton of different examples. If you..." - Title: [there is a form to get more realistic renders from inventor?](https://www.g2.com/discussions/12147-there-is-a-form-to-get-more-realistic-renders-from-inventor) — 2 comments, 1 upvote > **Top comment:** "Max can load Inventor files natively, so that's certainly one option. The render engine in Inventor is pretty good, though. There is a great deal of ..." --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/hvr-vs-designcenter-nx-vs-inventor)