Index: cam.conf
===================================================================
--- cam.conf	(revision 23636)
+++ cam.conf	(revision 23637)
@@ -27,6 +27,58 @@
 						write %base%.ast=top-virtual(purpose=assy)
 						write %base%.asb=bottom-virtual(purpose=assy)
 					}
+					{gerber:fixed_topbottom} {
+						desc gerber export almost compatible with old 'fixed' naming style, with special casing top and bottom copper
+						plugin gerber
+						write %base%.top.gbr=top-copper
+						write %base%.bottom.gbr=bottom-copper
+						write %base%.group%top_offs%=intern-copper
+						write %base%.topsilk.gbr=top-silk
+						write %base%.bottomsilk.gbr=bottom-silk
+						write %base%.topmask.gbr=top-mask
+						write %base%.bottommask.gbr=bottom-mask
+						write %base%.plated-drill.cnc=virtual(purpose=pdrill)
+						write %base%.unplated-drill.cnc=virtual(purpose=udrill)
+						write %base%.toppaste.gbr=top-paste
+						write %base%.bottompaste.gbr=bottom-paste
+						write %base%.outline.gbr=boundary
+						write %base%.topassy.gbr=top-virtual(purpose=assy)
+						write %base%.bottomassy.gbr=bottom-virtual(purpose=assy)
+					}
+					{gerber:fixed} {
+						desc gerber export almost compatible with old 'fixed' - top and bottom copper are not special cased but numbered from group0 (top)
+						plugin gerber
+						write %base%.group%top_offs%.gbr=top-copper
+						write %base%.group%top_offs%.gbr=bottom-copper
+						write %base%.group%top_offs%.gbr=intern-copper
+						write %base%.topsilk.gbr=top-silk
+						write %base%.bottomsilk.gbr=bottom-silk
+						write %base%.topmask.gbr=top-mask
+						write %base%.bottommask.gbr=bottom-mask
+						write %base%.plated-drill.cnc=virtual(purpose=pdrill)
+						write %base%.unplated-drill.cnc=virtual(purpose=udrill)
+						write %base%.toppaste.gbr=top-paste
+						write %base%.bottompaste.gbr=bottom-paste
+						write %base%.outline.gbr=boundary
+						write %base%.topassy.gbr=top-virtual(purpose=assy)
+						write %base%.bottomassy.gbr=bottom-virtual(purpose=assy)
+					}
+					{gerber:universal} {
+						desc gerber export compatible with old 'univeral' include group name and suffix with eagle-like extensions
+						plugin gerber
+						write %base%.%name%.gtl=top-copper
+						write %base%.%name%.gbl=bottom-copper
+						write %base%.%name%.g%top_offs%=intern-copper
+						write %base%.%name%.gto=top-silk
+						write %base%.%name%.gbo=bottom-silk
+						write %base%.%name%.gts=top-mask
+						write %base%.%name%.gbs=bottom-mask
+						write %base%.drl=virtual(purpose=pdrill)
+						write %base%_NPTH.drl=virtual(purpose=udrill)
+						write %base%.%name%.gtp=top-paste
+						write %base%.%name%.gbp=bottom-paste
+						write %base%.%name%.gko=boundary
+					}
 					{gerber:OSH_Park} {
 						desc gerber export compatible with OSH Park's recommendations
 						plugin gerber