Had a small vinyl cutter at school...had some fun making 'test stickers' when they got it

Quote Originally Posted by graffian View Post
The blade is
mounted in a bearing, but it doesn't look like the point of the blade is on the axis of the body! Dragging it around on my thumb [...] it turns and is always pointing in the right direction.
The blade will be offset slightly from the axis since that will create a turning force which will tend to rotate the blade into the correct orientation for current cutting direction.