If you haven't noticed the Reference Panel option in Dynamics 365 CE then take a look. Reference Panels can render Sub grids in one section through the Unified Interface (UCI). It does this by providing tab buttons for users to navigate between them. This makes for a very nice user experience and cleans up the clutter on the form.
Posts published in “Customisation”
Any organisation that has multiple solutions will have thousands of web resources. Here is a way to quickly find and add them to your solution.