https://openinhaler.org/assembly-process/cleaning/index.html This option lets you specify through-hole leads to be trimmed and rounded-over. This setting incurrs an extra fee, but specified pads will have their through-hole leads trimmed and their solder joints expertly rounded over. Specifying pads for rounding There are two ways to mark specific pads to have rounded joints: Via the “Properties” panel (recommended) “Pad Properties” pane This is the fastest way to mark pads as rounded. You can mark many pads at the same time using this method. Hugo en-us