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Visual Compare CAD or BIM models against scanned mesh

Compare your CAD or BIM model against the scanned mesh, set your own tolerance, and confirm your model accurately reflects the facility before you finalize a design.
ENGINEERING WORKFLOWs, BUILT ON YOUR AS-BUILT

From layout design to verified reality as-built

RealityPlan gives you the tools to overlay CAD models against your as-built environment and see exactly where they diverge. Run the comparison once and move forward with confidence instead of assumptions.

See

deviation instantly
Colour-coded heatmap shows exactly where reality and design diverge.

Validate

before you build
Confirm fit and feasibility before fabrication or installation.

Share

findings easily
Annotate and send a link — no software required to review.
Digital Twin visual compare Tools

Compare, confirm, and move models forward with confidence

RealityPlan's compare tools work directly against your as-built environment, so every validation is grounded in the facility as it actually exists today.

  • Overlay CAD models against the scan.
    Select the assets you want to compare. Choose your CAD/BIM model and the scanned mesh directly in your environment—no separate import or manual alignment step.
  • Set your tolerance, then visualize the deviation.
    Choose a linear gradient to see deviation severity at a glance, or a flat view to instantly flag what's in or out of tolerance. Set the acceptable range yourself so "deviation" means exactly what your project requires it to mean.
  • Annotate and share what you find.
    Mark deviations, add comments, and send a link. The team that ran the scan and the team signing off on the design see the same spatial context.

From Scan to Visual compare in a single 3D environment

Run layout iterations, validate placements, and walk clients through design decisions—all inside a navigable 3D space that reflects your facility as it actually is.

As-built verification after construction

Confirm that completed work matches the design model before project closeout.

  • Compare the as-built mesh against the original CAD/BIM model
  • Identify deviations spatially with the colour-coded heatmap
  • Document punch-list items with visual evidence, not written descriptions alone

Closeout decisions backed by what’s actually there, not what was supposed to be there.

Engineer Using Realityplan™ Cad Compare Tool on a Desktop Monitor to Validate As built Conditions Against Design Models in a 3d Environment Prevu3d

Scan to BIM Quality Assurance

Plan the movement and reinstallation of existing equipment across a live facility layout without stopping production to measure.

  • Work with segmented assets already identified in your environment
  • Assign equipment numbers and organize movement sequences digitally
  • Confirm pathways and clearances before anything is touched on the floor

Plan every move digitally before the first piece of equipment shifts on site.

Side by side View of a Mechanical Room and Its 3d Mesh Model in Prevu3d Prevu3d

Pre-fabrication fit checks

Confirm a proposed component will fit against existing site geometry before fabrication is finalized.

  • Import the proposed component into the scanned environment
  • Set your tolerance and check clearances and connection points against real conditions
  • Catch fit issues before fabrication or ordering, not after delivery

Avoid the cost of a part that doesn’t fit the space it was designed for.

Woman Using Prevu3ds Realityplan Software on a Desktop Monitor to Visualize and Edit 3d Scanned Industrial Equipment Prevu3d

Design iteration & sign-off

Compare successive design revisions against the as-built to confirm each iteration still aligns with site conditions.

  • Re-run the comparison as the design evolves
  • Catch drift between design intent and physical reality early
  • Sign off with a documented comparison, not just a visual check

Every revision validated against reality, not just against the last version.

3d Scan Interface Showing Isolated Industrial Pump with Extraction Parameters Prevu3d

Deviation Reporting for Stakeholder Review

Share findings with engineers, clients, or project teams who need to understand what’s changed and where.

  • Annotate flagged deviations directly in the 3D environment
  • Share a link—no software install required to review
  • Export a deviation report alongside the visual comparison

Everyone reviewing the same spatial evidence, not a written summary of it.

Engineer Analyzing 3d Piping System in Industrial Visualization Software Prevu3d

Visual compare models in a Digital Twin — FAQ

Factory layout software typically works from CAD drawings or manually recreated floor plans. RealityPlan works directly on a 3D scan of your actual facility, so every layout decision — equipment placement, clearances, access paths — is validated against the space as it exists today, not an outdated drawing.

No. You can plan a layout using assets already segmented in your as-built environment, or import a CAD model of new equipment and position it directly against the real geometry. Either way, you’re working in the same 3D space.

Yes. You can share a link that opens the environment in any browser. Engineers, clients, or other stakeholders can navigate the same 3D space live in a meeting or explore it independently — no install, no site visit.

Layouts are built directly on top of your as-built 3D scan, so placements, clearances, and dimensions reflect the facility as it actually stands — not what’s on file in an outdated floor plan or CAD drawing.

Yes. Beyond individual equipment layouts, you can model proposed additions — new lines, storage, expanded footprint — inside the same environment to assess feasibility before any engineering work begins.

— prevu3d partners said
Prevu3d

It's extremely rare to have an accurate as-built when you start a project. The CAD model is great, but it's not going to have all the right details you need to make those decisions.

Prevu3d
Malik Sammouda
Élémentaire Consultants
Bottling Line with Orange Glass Bottles Moving Along a Conveyor in a Factory Setting Prevu3d

Faster CAPEX Delivery with Digital Twin Technology: From Scan to Sign-off

See how Élémentaire Consultants leverages CAPEX engineering with 3D scanning and digital twin technology—reducing site visits, improving accuracy, and eliminating costly rework.
Read case

Validate models against reality, not assumptions.

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