My dear husband is so so busy these days that I pop in at the lab when everybody else is gone to keep him company. But I like to help if I can, and this is what I have been doing lately for him to use in his experiments. Bear with me, because this is long...
You secure the dish in the lathe:


When you have made holes in 20-25 dishes, you clean them up, scratching the rests of the plastic that have not come out. If you skip this step, cells get poisoned by the scraps and then they die :(



Then you take a glass cover and stick it to the glue:

You have to squeeze out the air bubbles:


Oh my, what a nerd I am :)