I missed this in my CFD geometry workflow for OpenFOAM simulations for years. This is how I fix it.

Similar Tracks
How to run your first simulation in OpenFOAM® - Part 1 - tutorial (download link to msh files below)
József Nagy (OpenFOAM tutorials)
Learn Blender for 3D Printing - Complete Quick and Easy Guide (Beginner)
3D Printer Academy Tutorials
Tutorial of a OpenFoam Simulation using Helyx - Complete Workflow of CFD - Multi inlet / outlet flow
EngineerDo