During the design phase of decoration engineering projects, most designers rely on hand drawing or traditional 3D modeling software to assist with scheme development. Renderings are then generated based on these 3D geometric models. In the preliminary and construction drawing stages, CAD methods are typically used to create plans, elevations, and sections. While hand-drawn and traditional 3D modeling methods offer a personalized touch, they often lack realism and accurate spatial representation. Additionally, data flow limitations throughout the process—from scheme design to construction drawings—result in low efficiency and frequent issues such as errors, omissions, clashes, and deficiencies. BIM software-assisted design can effectively address these challenges.
The typical BIM-based modeling approach for decoration design involves importing CAD or BIM models from disciplines such as architecture, structural engineering, and mechanical and electrical systems. These models serve as references to build the decoration design model. BIM is then applied throughout various stages of decoration design, including coordination with other disciplines to resolve conflicts, direct rendering output, generation of 2D drawings, and preparation of material lists.
Autodesk Revit offers significant advantages for decorative space design and scheme selection due to its intuitive modeling operations, intelligent geometric shape creation, and strong compatibility with CAD software. It also provides extensive internal model libraries and numerous plugins that support BIM workflows. Revit allows designers to present their design intent in real time, and it supports a wide range of file conversions. Despite these strengths, designers must adhere to BIM modeling guidelines during the process to ensure a solid foundation for subsequent BIM-based work. The modeling methods for each design stage are as follows:
(1) Modeling Method in the Scheme Design Phase
At this stage, professional models such as architecture, structure, and mechanical and electrical engineering are first imported into Revit. These are managed within existing plan views, while new components like floors, walls, and ceilings are created to facilitate future modifications. Decoration engineering involves numerous geometric component types, which can be added or nested using either “built-in volume” or “loading family” methods. Component names should correspond to specific physical objects and follow consistent naming conventions to simplify material list calculations and exports.
(2) Modeling Methods for Preliminary Design and Construction Drawing Stages
Building on the decoration scheme design model, the level of detail and content accuracy must be increased to include concealed works and decoration details. This includes hidden elements within ceilings, walls, and floors, as well as various surface openings. The finishing of decorative surfaces should be refined, considering the arrangement and segmentation of material layers. Decoration and construction methods should also be enhanced. The model’s precision should support exporting detailed construction node drawings.
Plugins that automate tasks such as tiling floors with block materials help by selecting areas and then performing automatic tiling and gap filling. Suspended ceilings are generated based on selected surfaces, with hanging keels quickly arranged through different plugins. Wall decorative components should be accurately placed by switching between various views.
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