One of the greatest advantages of designing plastic parts is the vast number of assembly options a designer can apply to his or her design. The most common among these options is the use of screws.

Add articles to your saved list and come back to them anytime. Well, at least you managed to open the bottles. That’s another problem with screw-caps: sometimes they’re impossible to open at all – ...

Well, at least you managed to open the bottles. That’s another problem with screw-caps: sometimes they’re impossible to open at all – they just refuse to budge. This situation usually results in me ...