Archicad 27 ((better)) File
Archicad 27: Refining Collaboration, Design, and Documentation
Graphisoft’s Archicad 27 marks a significant step forward in BIM (Building Information Modeling), focusing heavily on design coordination, data exchange, and visualization quality. While not a complete overhaul of the user interface, version 27 introduces targeted, powerful features that streamline the workflow from early concept to detailed construction documentation.
Full IFC 4.3 Certification
While many BIM tools support IFC (Industry Foundation Classes), Archicad 27 is one of the first to fully implement IFC 4.3. archicad 27
- Infrastructure Alignment: IFC 4.3 introduces dedicated schemas for roads, rails, bridges, and tunnels. Architects working on mixed-use developments or transit-oriented designs can now import civil engineering data without data loss.
- Better Reference Data: When linking a civil engineer’s DWG or IFC file, Archicad 27 recognizes terrain models and alignment curves as native elements, not as dumb meshes.
The End of "File Corruption" Anxiety
The headline feature of Archicad 27 is undoubtedly the new Delta Server. Infrastructure Alignment: IFC 4
In previous versions, teams working on large projects lived in fear of the "Project is Damaged" error. Traditional BIM servers required syncing entire chunks of data, leading to bloated local files and fragile connections. Archicad 27 introduces a modernized file structure that communicates only the "deltas"—the changes—between team members. The End of "File Corruption" Anxiety The headline
This shift is monumental. By decoupling the project data from the live user interface, the software dramatically reduces the risk of file corruption. The workflow now mirrors modern coding practices, where incremental saves are the norm. For the solo architect or the medium-sized firm, this means smoother teamwork and faster syncing times, effectively removing the friction that often discourages firms from fully embracing BIM collaboration.
Archicad 27: A Helpful Overview
Archicad 27 continues Graphisoft’s push toward open BIM, design workflow automation, and visual clarity. Released in 2023, it bridges the gap between early concept design and detailed documentation. Below is a breakdown of its most impactful features.
Option 2: A Starting Template Structure
If "a piece" means a starting point for a project, Archicad 27 focuses heavily on Classification Systems and Renovation Filters. Here is the recommended structure for a standard AC27 Project Info setup:
- Project Info (File > Info > Project Info):
- Ensure "Classification System" is set to Uniclass 2015 or OmniClass (AC27 handles these natively now).
- Attributes (Options > Element Attributes):
- Surfaces: Use the new "High Quality" textures for rendering (CineRender Engine updated in v27).
- Layers: Create a "Work in Progress" layer set separate from "Construction Documentation".
- Renovation Filters:
- Use the built-in "Existing", "New", and "Demolished" filters rather than creating layers for them. This allows one model to show all phases.
4. Documentation & Publishing
- Intelligent Stamping: The "Drawing" tool now allows dynamic stamps (e.g., "Not for Construction," "Preliminary") that automatically rotate to match the drawing’s rotation angle.
- Improved PDF Import: You can now import PDF files as either a reference (underlay) or as explodable vectors (lines and text), allowing you to trace legacy drawings.
- Automatic Drawing Naming: The drawing manager can now auto-name sheets and drawings based on custom rules, reducing manual data entry.
Common Pain Points & Solutions
- Missing Add-Ons: Third-party extensions (e.g., from Cadimage or dRofus) may require updated versions. Check developer sites before migrating.
- Custom GDL Objects: GDL (Geometric Description Language) objects older than 2020 may display errors in 3D. Use the "Convert Legacy GDL" script found under the File > Special menu.