diff -Naur --exclude='.hg*' dwm-tip/config.default.h dwm-gridmode/config.default.h
--- dwm-tip/config.default.h	2007-07-15 11:52:46.000000000 +0300
+++ dwm-gridmode/config.default.h	2007-07-15 12:05:26.000000000 +0300
@@ -30,6 +30,7 @@
 	/* symbol		function */ \
 	{ "[]=",		tile }, /* first entry is default */ \
 	{ "><>",		floating }, \
+	{ "+++",		grid }, \
 };
 #define MASTERWIDTH		600		/* master width per thousand */
 #define NMASTER			1		/* clients in master area */
diff -Naur --exclude='.hg*' dwm-tip/layout.c dwm-gridmode/layout.c
--- dwm-tip/layout.c	2007-07-15 11:52:46.000000000 +0300
+++ dwm-gridmode/layout.c	2007-07-15 12:37:28.000000000 +0300
@@ -12,6 +12,44 @@
 static unsigned int nmaster = NMASTER;
 
 static void
+grid(void) {
+	unsigned int i, n, cx, cy, cw, ch, aw, ah, cols, rows;
+	Client *c;
+
+	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
+		n++;
+
+	/* grid dimensions */
+	for(rows = 0; rows <= n/2; rows++)
+		if(rows*rows >= n)
+			break;
+	cols = (rows && (rows - 1) * rows >= n) ? rows - 1 : rows;
+
+	/* window geoms (cell height/width) */
+	ch = wah / (rows ? rows : 1);
+	cw = waw / (cols ? cols : 1);
+
+	for(i = 0, c = clients; c; c = c->next)
+		if(isvisible(c)) {
+			unban(c);
+			if(c->isfloating)
+				continue;
+			c->ismax = False;
+			cx = (i / rows) * cw;
+			cy = (i % rows) * ch + (bpos == BarTop ? bh : 0); // bh? adjust
+			/* adjust height/width of last row/column's windows */ 
+			ah = ((i + 1) % rows == 0) ? wah - ch * rows : 0;
+			aw = (i >= rows * (cols - 1)) ? waw - cw * cols : 0;
+			resize(c, cx, cy, cw - 2 * c->border + aw, ch - 2 * c->border + ah, False);
+			i++;
+		}
+		else
+            ban(c);
+	focus(NULL);
+	restack();
+}
+
+static void
 tile(void) {
 	unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
 	Client *c;