The current shortest path sorting algorithm is not optimal

[lianzaozi]

The current shortest path sorting algorithm is not optimal

Plotter software sorting results

Sorting results from other software

Test files

666.zip

[svenhb]

It depends on the start-point. In the current version, sorting starts with most upper-left object (always).
In the next version (not released yet) you can decide where to start:

[svenhb]

Result with new option - start at lower-left edge:

[lianzaozi]

Thank you for your reply. I appreciate your hard work and look forward to the sorting effect in the next version.
Can you add a line of information below to list the total length of the empty movement path and the total length of the machining path.