I have a lot of the frames on the picture and use them foundationless.
The spacers are hard plastic tubes that are nailed on to the sides of the frames.
I want to go small cell and read that you could get a good result and more eaven comb by reducing the frame width to 32mm.
I meassured ten frames and they are 33.8mm wide. After I used the hammer on the spacers the width got down to 32.8.
Do you think this is enough, or should I change the spacers so that the with of the frames will be 32mm?