"Space Balls".... look he

http://www.rockler.com/product.cfm?p...GMHDDADADADBDB

or the correct size slots...

http://www.rockler.com/product.cfm?p...slot%20cutters

Mark wrote:

I've nearly completed my first set of frame & panel doors for a vanity using
a set of matching frame-and-panel router bits (first time using these bits).
I've gotten to the point of assembling the doors and installing the 1/4"
plywood panel, but the plywood panel is about 0.20 inches thick where as the
slot for the panel is 1/4 of