How a picture frame is made

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To make a well put together picture frame you need the right equipment. The Morso is the engine of any good picture framers. The under-pinner which you use to join the moulding lengths together needs to be sturdy and powerful enough to be able to shoot the pins into the hardest of wood moulding. Oak wood frames are perhaps the most difficult woods to connect so that each end is firmly attached and flush.

There is always the danger of over picture framers new to the game to over engineer their frames with the fear that they may fall apart. The experienced picture framer will be best at judging how many pins to use in each corner and whether to stack them or not. I will discuss how to make the frame very strong without over engineering.

Remember a frame may have to be taken apart if pins don’t enter the wood evenly. This often happens with the hardwood mouldings where the pin will follow the grain of the wood and might end up protruding out the side or forcing the ends apart.

The best rule of thumb is not to make the joints so firmly put together that extracting the pins will result in a broken length. Broken lengths are often wasted money if you cannot re-use them and these small mistakes can see the framers profit running out the door.