https://duckduckgo.com/?q=Mashrabiya&ia=images&iax=images
Historically, the screens were quite simple, with more complex patterns reserved for ceramic tilings (symmetry groups, colorings, knots and intertwinings). Now there are good modern screens with more innovative patterns, made with computer-controlled laser cutters.
In a quick search for Kumiko examples, I very much like the irregular patterns that add or remove various symmetrical elements across the piece, often in an irregular macro-pattern. Similar pattern evolutions are possible with Islamic designs, but are not yet common - perhaps an opportunity.
I sometimes think that the "hypergrowth" segment of the population will efficiency-hack everything until either they all, or perhaps the rest of us, have left our meatspace bodies behind and simply exist as a series of Docker containers
You can buy kits of thin sheets of metal that are intricately die-cut, and assemble into little sculptures of trains and buildings and bugs and whatnot.
But who can afford to buy anything any more?
That is up to you. I have it in my life. Lots of others do to. Most of us here are fairly privileged and get to choose how we spend multiple hours each day.
And young kids will emulate their parents. Want your kids to read? Read. Want you kids to go outside? Go outside. Want your kids to make art? Make art.
Mass producing these would be like hiring a print shop to send a “I love you” note to a million random humans. It misses the point.