SigmaNest does not run inside CorelDRAW. However, it is the industry leader for industrial manufacturing. Most pros export their CorelDRAW files as DXF/DWG, nest them in SigmaNest, and re-import the layout. This is the most powerful route for heavy manufacturing but lacks workflow integration.
CorelDRAW provides excellent alignment and distribution tools. You can align centers, distribute spacing, and group objects. For a small job with three or four rectangular decals, manual arrangement is perfectly adequate. coreldraw nesting plugin
Check the report for "Sheet utilization percentage." If it is below 80%, try running the nest again with "Rotation: Free" enabled. SigmaNest does not run inside CorelDRAW
Advanced plugins can nest "true shapes" rather than just bounding boxes, allowing one figure to be placed inside the cavity of another. This is the most powerful route for heavy
Here are the most reliable solutions currently available for CorelDRAW (versions X8 through 2024/2025).