New technology helps turn MCAD models into BIM content

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BIMobject BIMscript and BIMobject LENA are two new technologies designed to help manufacturers of building components turn their mechanical CAD models into intelligent Building Information Modelling (BIM) objects for use in architecture, engineering and construction projects.

Operating in the cloud BIMscript can generate intelligent, native BIM objects for a number of popular BIM applications from Autodesk, Graphisoft, and Trimble. It also generates objects in commonly used formats such as IFC, 3DS, DWG and WebGL.

The BIMscript open scripting language is a subset of the C programming language and includes not only parametric behaviours but also calculations, product logic, level of detail (with several levels of complexity of geometry and geometry combinations) and a wide range of properties and attributes.

BIMobject LENA is an authoring app for Rhino that works in combination with the modelling and optimisation features of the 3D CAD software to generate BIMscript. Mechanical CAD geometry can be imported from most mechanical CAD systems, including Catia, SolidWorks, Solid Edge, IGES, NX, JT, Inventor and Pro/E.

BIMobject LENA is directly connected to the BIMobject Cloud. According to the developer, this provides a seamless workflow to publish objects and includes connection to the corresponding product information stored in property sets in the BIMobject Cloud.

For those that aren’t familiar with the term, BIM stands for Building Information Modelling and is an intelligent 3D model-based process for planning, design, construction, and management of buildings.


From 2016, the British government has made it a legal requirement that any government tenders and subsequent projects are conducted using a BIM process.

This significantly increase the importance for manufacturers of building components – including HVAC, glazing, furniture, cladding, plumbing – to make their content readily available for use in BIM authoring tools such as Autodesk Revit, ArchiCAD Graphisoft and Tekla Structures.

To find out more about BIM technology, visit our sister website, AEC Magazine

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