# gdtest_scale_to_fit > Test scale-to-fit auto-scaling for wide tables ## Docs ### API Reference #### Classes > Core classes - [CustomWidget](reference/CustomWidget.html): A custom widget with ``_repr_html_`` for scale-to-fit testing #### Functions > Public functions - [make_wide_table](reference/make_wide_table.html): Create a wide GT table with 12 columns - [make_narrow_table](reference/make_narrow_table.html): Create a narrow GT table with 3 columns - [make_medium_table](reference/make_medium_table.html): Create a medium GT table with 8 columns