In addition to this question with no answer:
What to do when the original question changes so drastically that all answers seem absurd?
Should exist a closing vote option when the OP change drastically the question when the answers comes up? The closing vote could have a text similar to: changing the content of the question is not very beneficial for future users, we invite you to generate a new question .
The final result of this type of question is very confusing for the respondent and for future users, while the OP is just getting information.
Knowing how this works, if I need a tutorial about how to create a special text effect in Photoshop I could start with: How to change a border to a text? After having two or three answers, I add, I was talking about a text border with some 3D effect. After two or three answers, yes, but the effect must be editable for future use!...
Such situation happened with this question: Erasing stroke on two separate segments of shape