Public nano fab 1 cm chip gifting idea

Can we still make random public stencil chips but we need smartphone microscope

https://amzn.in/d/0cOjRfzW

As of now only Qualcomm stencil is available publicly others can also try selling stencils or chips..

Meaninng one of the squares silver on silicon..

The cost of raw material is just 5 re but it costs a bit doesn't even need clean room.. Prof Axel lab had it..