Using the Combo Blocks plugin, you can easily query posts by custom post types for Post Grid or Post Grid – Filterable Gutenberg blocks.
To begin, insert the “Post Grid” or “Post Grid – Filterable” block.
From the List View make sure you’ve selected Post Query nested block. This selection is important to access all the available block settings for “Post Query”.
Now under Query Post => Add Query Params, select the Post Types option
Expand the postType selection and here you’ll see all your available custom post types including the default post type. Just select one and posts will load from the selected post type.
That’s how you can query posts by custom post types for “Post Grid” or “Post Grid – Filterable” Gutenberg block. If you still need help, please create a support ticket on our forum.