Sorry for background, but you needed to see the holes in the brass sheet.
So, after about an hour in the room temp Ferric Chloride we have the basis of:
Rigging for sail nets, cargo net for warship sides, grating for ship deck - anything.
If you can scale it onto brass (or copper), you can DIY etch it!
The whole point of this simple series is to show that anyone (and believe me, with my restrictions I mean ANYONE), can take an idea, print it, put it onto brass, etch it and end up with a perfect personalised item for pennies.
After the initial setup costs we reckon this one cost about 35p, for an 80mm * 52mm item!
Surely less than commercial sources where you only need a few, or there are no comparable 'shop bought' items available.
Hope it helps someone else in the group.
By the way, the kitchen and my marriage are still intact - NEVER do this in your kitchen sink!
Next I'm going to try DIY Electroforming and see if I can make a gun barrel!