A Premilling edge-bander removes a specified amount of material from the edged sides of a board. CabMaster's the part premilling allows parts to be oversized by the amount your edge bander will remove when edging parts.
Premilling can be setup in the Drawing Properties located under Mach. General > Const page in the Premilling group box.
The amount CabMaster takes off an edged side can be defined in 2 ways :-
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Enabling this option will always add on the edge thickness to the edged side.
An edge that is 1mm thick will add 1mm to any side edged with it and a 2mm would add 2mm and so on..
Premill thickness lets you define a fixed amount to remove from each edged side. This fixed amount will then be added to all edged sides.
With a 1mm premill thickness 2mm edge tape would add an extra 1mm to edged sides as would a 3mm tape and so on...
You can specify a separate premilling setting for door type materials and all others.
Door type materials are materials that can be found when using the "Door" filter located on the Materials-Advanced > Door page.
You can enable or disable premill allowances on edges with an internal corner (e.g the front of a corner shelf) by checking or unchecking the Incl Cnr checkbox: