ClashWise
Choose a room, then review its clashes
Select a room to inspect its volume. Choose Review this space when you want to narrow the worklist. The building, level and room context can follow the clashes into filters, reports, sessions and Wise.
Model viewer
Review clashes in the context of your building.
Move between the building, its floor plan and the two elements in a clash. Inspect IFC properties, keep the surrounding models in view and save the context for your next review.
No account. The IFC stays in the current browser tab and is not uploaded.
Try the model viewer
Start with the building. Follow the detail.
Explore Northbank, an illustrative office model with example IFC data and published clashes.
Loading the model…
Drag to orbit · Scroll the page · + / − to zoom.
Northbank / Office buildingIllustrative model
Architecture + structure + services
#042 · Duct / beam
Keep the view with the decision.
Saved views and measurements shown here stay in this example.
N ↗Perspective
5 disciplines. One shared picture.
Navisworks coordination
Navisworks coordinationStart with a place your team recognises.
Switch between 3D and Plan, choose a building and level, then use room outlines, labels, grids and clash pins to find the work. In 3D, floors stay at their actual elevations.
Use the spatial information in your IFC
Plan and room review need a prepared, aligned IFC source designated Rooms & levels. The plan uses a 1.2 m cut. Approximate locations remain identified, and geometry-only models do not provide room definitions.
Read what the model says about an element.
Inspect IFC properties
Turn on element inspection and select visible geometry. Read attributes, spatial hierarchy, type, property sets, quantities and materials, with units and the distinction between instance and type values. Inspection is read-only.
Keep source appearance or reveal context
Retain supported colours, material boundaries and transparency. Switch between source appearance and Ghost/X-ray as you inspect the issue, then restore the view. Hidden or clipped elements cannot be picked.
Show only the elements you need
Filter by model or IFC class, or search by name, GlobalId or express ID. Hide one element or all matching elements, then restore them or reset visibility. These controls change the current viewer; they are separate from saved clash filters and the Navisworks Search Sets workshop.
Come back to the view that explained the issue.
Save the whole review context
Name a view with its camera, projection, clipping, filters, sort, selection, visibility, appearance and spatial location. Reopen it against the latest published model, with warnings when geometry has changed or gone missing.
Keep a measurement with its note
Save endpoints on the source geometry, distance, axis deltas, units and a note. Reopen, edit or delete the measurement. Review it after a model revision; a viewer measurement is not a survey certificate.
Resume your review tour
Keep a personal queue and your place in it across refreshes and devices. Refresh the tour when you want to include new clashes. Skipping a clash leaves it unreviewed.
Present live, capture one discussion or keep model context.
Choose the form of collaboration that fits the review.
Keep everyone on one live model view
In a coordination session, the host can keep connected participants on the same camera, projection, context, clipping, visibility, colours and spatial state. Each participant receives only authorised content.
Explore host presentation in coordination sessionsDraw together on a frozen image
Shared markup freezes the current rendered view so participants can draw on the same image. Save the flattened marked-up image to the session record; its individual shapes do not stay editable or move with the model while you orbit.
Keep 3D annotations with the model review
Persistent annotation pins retain their 3D model context for later review. Use them when the note needs to remain attached to a model location rather than capture one live discussion on a frozen image.
Work through the set, then share the evidence.
Search, filter and navigate a whole-set worklist of up to 50,000 clashes while the viewer loads the geometry needed for the current review. Clashes without geometry remain in the list. Public 3D shares have a separate limit of 150 clashes.
Bring a room-focused worklist into a coordination session. For a member BCF review package, choose published, current or saved viewpoints and the annotations, measurements, clipping, visibility and snapshots you want to include. Check the receiving tool’s support for that package.
Published clash review in the browser.
Before you open your model.
Which IFC formats are supported?
ClashWise supports IFC2x3, IFC4 and IFC4.3 ADD2 in the .ifc STEP format. IFCZIP, IFCXML and IFC JSON are not currently supported.
Do I need Navisworks to review in the browser?
You can review authorised published data and model context in the browser. Navisworks Manage runs the clash tests and publishes their results through the plug-in. Design changes stay in your authoring tools.
Which plan covers model uploads?
Model access follows your workspace permissions and subscription. Organisation uploads require Business when subscription enforcement applies. Personal uploads and campaign access can follow different rules. Check your account’s upload allowance; viewing access is a separate permission.
Does a saved view preserve an old model revision?
Saved views restore review settings against the latest published model. They do not replay historical geometry. Check warnings about changed or missing elements before reusing a measurement or sharing the view.
Try a review with your own model context.
Start the trial, publish a clash set and bring the model context your team needs into the browser.