diff -ru ../swarm/src/space/Makefile ./Makefile
--- ../swarm/src/space/Makefile	Mon Dec 23 19:31:55 1996
+++ ./Makefile	Mon Dec 23 19:31:18 1996
@@ -1,9 +1,10 @@
 SWARMHOME=../..
 LIBNAME=space
-OBJECTS=Discrete2d.o DblBuffer2d.o Ca2d.o Diffuse2d.o ConwayLife2d.o Value2dDisplay.o Object2dDisplay.o Grid2d.o Int2dFiler.o
-HEADERS=Discrete2d.h DblBuffer2d.h Ca2d.h Diffuse2d.h ConwayLife2d.h Value2dDisplay.h Object2dDisplay.h Grid2d.h Int2dFiler.h
+OBJECTS=Discrete2d.o DblBuffer2d.o Ca2d.o Diffuse2d.o ConwayLife2d.o Value2dDisplay.o Object2dDisplay.o Grid2d.o Int2dFiler.o Discrete3d.o
+HEADERS=Discrete2d.h DblBuffer2d.h Ca2d.h Diffuse2d.h ConwayLife2d.h Value2dDisplay.h Object2dDisplay.h Grid2d.h Int2dFiler.h Discrete3d.h
 include $(SWARMHOME)/Makefile.lib
 
+Discrete3d.o: Discrete3d.h Discrete3d.m
 Discrete2d.o: Discrete2d.h Discrete2d.m
 DblBuffer2d.o: DblBuffer2d.m DblBuffer2d.h Discrete2d.h
 Ca2d.o: Ca2d.m Ca2d.h DblBuffer2d.h
diff -ru ../swarm/src/space/space.h ./space.h
--- ../swarm/src/space/space.h	Tue Oct  1 21:31:21 1996
+++ ./space.h	Mon Dec 23 19:27:25 1996
@@ -4,6 +4,7 @@
 // See file LICENSE for details and terms of copying.
 
 #import <space/Discrete2d.h>
+#import <space/Discrete3d.h>
 #import <space/DblBuffer2d.h>
 #import <space/Ca2d.h>
 #import <space/Value2dDisplay.h>
