diff -up a/config.def.h b/config.def.h
--- a/config.def.h	2020-04-17 13:37:50.926942626 +0200
+++ b/config.def.h	2020-04-25 15:55:19.651489583 +0200
@@ -41,6 +41,7 @@ static const Layout layouts[] = {
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
+	{ "[D]",      deck },
 };
 
 /* key definitions */
@@ -76,6 +77,7 @@ static Key keys[] = {
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
+	{ MODKEY,                       XK_c,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY,                       XK_space,  setlayout,      {0} },
 	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
 	{ MODKEY,                       XK_0,      view,           {.ui = ~0 } },
Only in b: config.def.h.orig
Only in b: config.def.h.rej
diff -up a/dwm.c b/dwm.c
--- a/dwm.c	2020-04-17 13:37:50.926942626 +0200
+++ b/dwm.c	2020-04-25 15:58:19.435210980 +0200
@@ -157,6 +157,7 @@ static void configure(Client *c);
 static void configurenotify(XEvent *e);
 static void configurerequest(XEvent *e);
 static Monitor *createmon(void);
+static void deck(Monitor *m);
 static void destroynotify(XEvent *e);
 static void detach(Client *c);
 static void detachstack(Client *c);
@@ -655,6 +656,37 @@ destroynotify(XEvent *e)
 }
 
 void
+deck(Monitor *m) {
+	unsigned int i, n, h, mw, my;
+	float mfacts = 0;
+	Client *c;
+
+	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++) {
+		if (n < m->nmaster)
+			mfacts += c->cfact;
+	}
+	if(n == 0)
+		return;
+
+	if(n > m->nmaster) {
+		mw = m->nmaster ? m->ww * m->mfact : 0;
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n - m->nmaster);
+	}
+	else
+		mw = m->ww;
+	for(i = my = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		if(i < m->nmaster) {
+			h = (m->wh - my) * (c->cfact / mfacts);
+			resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), False);
+			if (my + HEIGHT(c) < m->wh)
+				my += HEIGHT(c);
+			mfacts -= c->cfact;
+		}
+		else
+			resize(c, m->wx + mw, m->wy, m->ww - mw - (2*c->bw), m->wh - (2*c->bw), False);
+}
+
+void
 detach(Client *c)
 {
 	Client **tc;