Great vid. Just what youtube was made for.

That's not an accurate way to center.

this is not an acceptable way to mount photographs humidity changes will affect the material and it will wrinkle, especially if the material is heavy, and if the finish is glossy it will be obvious and annoying

Actually tomorrow is my art exam and collage mounting is coming so what is collage mounting can you tell

Yoo yo hunny sing

What is the circular mount board for school purpose

How to mount your picture or photo, ready for framing