All files are available here:
Open nwc, export spx, then import spx into Pro (tested in Pro 6.3.0.11).
Objects are distorted or zigzagged (Pro VS Navisworks)
Checked bounding box:
Also tried:
assign models to tasks, didn't help.
moving to absolute (0,0,0), didn't help.
Switching to double precision didn't help.
Checked Units and Transform in Navisworks.
Model was created in a tool called 12D.
User provided an IFC. Pipes look better but still have the distortion.
Issue is not reproduced with 2021.1 (6.4.1.2) release. Double Precision rendering needs to be enabled in DX11 driver settings.