Slot width in report (discussion)

[mdeweerd]

This topic is mainly related to slots drawn with edge lines and arcs.

The slot width value I got in the "report" did not match those that I expected and I found they are based on oval drill widths:

                    self._drills_oval[m] = self._drills_oval.get(m, 0) + 1
                    self.slot = min(self.slot, m[0])

I have drawn "complex" slots with edges 0.8mm apart and an arc to close them, and this has worked since several years. In the report I get 0.6mm, because that is a width on at least one of the oval drils.

I think that there is no easy way to get the width of the slots that are "hand drawn", but I think the report could differentiate between plated slots and non-plated slots as the minimum required varies according to the manufacturer.

Some references to pages with manufacturer limits and their explication of what a slot is:

• Eurocircuits
• jclpcb
• PCBWay