Problem Statement When a Navisworks model is exported to NWD with certain elements hidden, and that NWD is imported into Autodesk Forma ACC, the hidden elements are not imported at all. They are missing both from the 3D view and from the model/construction tree, and cannot be recovered by any visibility control inside the ACC viewer Autodesk Support confirmed this is expected/current behavior in BIM 360 and Forma (Support Case No. 26217856): hidden elements are simply not translated into Forma, with no supported workaround available at the ACC level. We isolated the cause by exporting the same source model twice With some elements hidden → all of the hidden elements are missing from ACC With everything unhidden → the full model imports with no missing data. This confirms the missing-data pattern tracks exactly the hidden/visible state of each element at export time, not transparency, file structure, or import order maxence_dugourdPAS6T_3-1786974791101.jpeg maxence_dugourdPAS6T_2-1786974776762.jpeg Proposed Enhancement Treat the Navisworks visibility state (shown/hidden) as a display attribute carried into Forma, the same way Navisworks itself treats it, not as an exclusion filter applied during translation. Hidden elements should still be imported into the ACC CAD Viewer and listed in the model tree. Their default visibility in ACC can be "hidden" (matching the source), but they should be togglable through normal ACC visibility controls, exactly like elements that were visible at export. We understand that Autodesk Platform Services' Model Derivative API already supports this via the advanced.hiddenObjects: true parameter on translation jobs (POST /modelderivative/v2/designdata/job). We would like this option, or an equivalent, exposed as a supported setting for ACC/Forma NWD imports, ideally configurable at the project or workspace/hub level, rather than being limited to custom APS integrations built outside Forma's own pipeline. Business Impact Enables publishing the exact same NWD used for Navisworks directly to ACC, without a dedicated "unhide everything" reprocessing pass beforehand. Removes a recurring, error-prone manual step from every model publish Lets teams keep specialist or advanced content hidden by default for the general project audience while still making it available in ACC when needed
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