Yes there is a semi science to the art of getting the height of a piece just right it s called measuring.
How to hang a piece of wood on a wall.
Hang by the corners for a casual drape or attach with a row of nails spread.
The two corners of the wood will be where you will hang the fasteners.
The lower section has the short side against the wall and the upper section attached to the item to be hung lowers into the trough created to snug the piece into the wall.
To be exact the center of a framed piece of artwork should be.
To use drill a hole in.
Hanging something on a wall isn t a one nail and done affair.
These are 1x4 or 1x6 boards cut on a 45 degree angle.
And cost just over a buck a piece.
Figuring out how to hang heavy wall art though can sometimes be a problem.
Before i was always the girl that did her damnedest to find a wall stud behind the drywall to hang heavy pictures mirrors etc.
As orgniclawndiy suggests use french cleats.
I would even scoot whatever piece of furniture over a few inches to make it centered under the heavy object if i could find a stud for it.
You can also hold a scrap piece of wood about half the width of the frame under the hanging wire to determine the two hanging points.
Otherwise it may result in holes in the piece.
To hang a tapestry with a rod pocket slide a piece of baseboard into the pocket then hang the tapestry on the wall by drilling screws into each end of the baseboard.
Measure the distance between the wood and the top of the frame using a tape measure and place the wood on the wall underneath your original.
A wall hanging can instantly bring color and texture to a space.
You need to drill through the plaster and into the wood framing.