Create vector dots/shapes as a halftone representation, right inside CorelDRAW. You can make custom shapes as the
halftone dot too (you need to make a custom catalog of your custom shape). I created the triangle shape for the example below.
The resolution of the halftone is selectable in a unique way, you can choose how many intermediate steps you desire between a minimum and maximum dot size.
The Rstones 3 macro was intended for rhinestone artists, but offers the ability to do things like this: