Quote Originally Posted by Stefan-A View Post
A couple of months ago, I used a soldering iron to melt holes in 21 plastic boxes, 20 holes per box. Had I cracked 1/50 holes, that would have meant the loss of over a third of the boxes.
Not sure that I'd have to throw away a box because one of the holes cracked. It's not like the plastic doesn't hold together perfectly fine. If you're using more brittle plastic it may be different.