(2021-11-29, 5:53)HWQ Wrote: i import a lego set in ldcad.But the partsquantity will not decrease ,just like pattle in stud.io。I am not used to using studio,It's not convenient for MOC
That's a long sought after feature missing from LDCad .
One thing you can do is to quickly check the inventory of your model: Script -> Samples -> Generate BOM list.
...and otherwise, your screenshot shows that parts render weirdly, with conditional lines showing everywhere. To return to normal state: Prefs -> LDraw -> Draw conditional edges, choose "Disabled"