As mentioned, the plugin must be able to analyze the actual curves of your vectors. It should be able to place a circle inside the crescent of a moon shape, for example. Basic "bounding box" nesting is insufficient for complex manufacturing.
Stop bleeding material. Install a nesting plugin, and watch your yield per sheet skyrocket. coreldraw nesting plugin
: Known for its "figure enclosure" options and ability to handle non-rectangular material shapes, such as animal skins. As mentioned, the plugin must be able to