Solutions
Steel, framing and rebar — detailed from one model
Steel detailing, rebar modeling, cold-formed framing and plant review in one coordinated environment — fabrication-ready deliverables that eliminate rework.
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Multi-Material Structural Modeling
BIM models spanning cold-formed steel, hot-rolled steel and timber — automated member sizing, connection details and coordinated shop drawings from one source.
Design-to-Fabrication Workflow
CNC-ready manufacturing data, material take-offs and assembly sequences generated directly from the 3D model — bridging engineering design and shop floor production.
The tools
Products for BIM Software for Steel & Rebar Detailing
Model and detail the structure, then review the assembled 3D model — each tool covers one stage of the chain.
Modelling and detailing

Vertex BD
Automated BIM framing for cold-formed steel and wood — panel drawings, cut lists and CNC data from one model.

COMOSYS 2026
3D steel and rebar detailing — shop drawings, bar bending schedules and NC files from the same model.
Model review and coordination

eZWalker
Lightweight 3D plant model review — walkthroughs and clash checks without a full CAD license.
Answered
Questions engineers ask us.
3D steel detailing software built for automation
You model the structure once in 3D. IntelliConnect places library connections; IntelliClone repeats detailed zones across similar framing. COMCLASH watches for clashes and AutoAdjust re-fits members when geometry moves. Shop drawings, schedules and NC files come off that same model.
Auto-generate fabrication drawings from a 3D model
COMOSYS generates shop, assembly and GA drawings straight from the 3D model. Plans, elevations, sections and detail sheets carry title blocks, dimensions and BOM tables. When the design changes, drawings of macro-placed elements regenerate automatically. Nothing gets drafted twice.
CNC/NC file generation for steel fabrication
NC files generate from the same 3D model as the drawings. Every member, plate and bolt is already resolved in that model. COMCLASH clears interferences before anything reaches the machine. The detail that was checked is the detail the line fabricates.
Generate Bar Bending Schedules (BBS) from a model
The rebar module reads the 3D rebar model and writes the BBS. Bar marks, shapes, lengths, weights and totals format to Indian practice. Update macro-placed reinforcement and the schedule regenerates on its own. Manually placed bars refresh one by one.
IS 800 steel detailing and shop drawings
COMOSYS designs and details hot-rolled steel to IS 800:2007. AISC and EN 1993 run in the same environment when needed. Shop drawings, connection details, erection drawings and BOMs all generate from the model. Output comes formatted for Indian fabrication practice, ready for the shop.
Precast concrete detailing and drawings
COMOSYS details precast concrete in the same environment as its steel workflow. The rebar module handles slab, beam, column and wall reinforcement. Drawings generate straight from the 3D model, with automatic bar scheduling. One model carries the piece from design through to the drawing set.
Cold-formed steel framing design software
Vertex BD frames the building from the architectural model. Studs, tracks, joists and bridging place automatically to your framing rules. Structural layouts come out AISI or AS/NZS compliant. Panel drawings, cut lists and manufacturing data all come from that one model.
Automated BIM for light-gauge steel framing
One BIM model carries the whole job. Objects know their materials, framing details and connections. From that model, Vertex BD generates layouts, production drawings, material reports and CNC data. Plans come out up to 2x faster than CAD workflows, with every drawing consistent.
Further reading
Written for this work.
COMOSYS 2024s: What's New in Detailing and BIM Links
Inside the 2024s release — smarter IntelliConnect placement with clash detection, drawing production up to 40% faster, Cloud Fusion and Checkbot links.
Pier Caps: Load Path, Materials and Reinforcement Detailing
How a pier cap gathers girder reactions into one pier, which materials suit which exposure, and why its reinforcement is among the most congested on site.
Reinforcement Detailing in Concrete: Cover, Laps, Anchorage
Most reinforcement problems are not bar size — they are cover, lap length and anchorage. The considerations and practices that keep rebar detailing sound.
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