diff --git a/box-drawing.c b/box-drawing.c
index ebe5b585..682a6403 100644
--- a/box-drawing.c
+++ b/box-drawing.c
@@ -330,6 +330,54 @@ draw_box_drawings_light_down_and_horizontal(uint8_t *buf, int width, int height,
     vline_middle_down(thickness(1, dpi));
 }
 
+static void
+draw_box_drawings_left_heavy_and_right_down_light(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    _hline_middle_left(thickness(1, dpi), thickness(2, dpi));
+    hline_middle_right(thickness(1, dpi));
+    vline_middle_down(thickness(1, dpi));
+}
+
+static void
+draw_box_drawings_right_heavy_and_left_down_light(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    hline_middle_left(thickness(1, dpi));
+    _hline_middle_right(thickness(1, dpi), thickness(2, dpi));
+    vline_middle_down(thickness(1, dpi));
+}
+
+static void
+draw_box_drawings_down_light_and_horizontal_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    hline_middle_left(thickness(2, dpi));
+    hline_middle_right(thickness(2, dpi));
+    vline_middle_down(thickness(1, dpi));
+}
+
+static void
+draw_box_drawings_down_heavy_and_horizontal_light(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    hline_middle_left(thickness(1, dpi));
+    hline_middle_right(thickness(1, dpi));
+    _vline_middle_down(thickness(2, dpi), thickness(1, dpi));
+}
+
+static void
+draw_box_drawings_right_light_and_left_down_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    hline_middle_left(thickness(2, dpi));
+    hline_middle_right(thickness(1, dpi));
+    vline_middle_down(thickness(2, dpi));
+}
+
+static void
+draw_box_drawings_left_light_and_right_down_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
+{
+    hline_middle_left(thickness(1, dpi));
+    hline_middle_right(thickness(2, dpi));
+    vline_middle_down(thickness(2, dpi));
+}
+
 static void
 draw_box_drawings_heavy_down_and_horizontal(uint8_t *buf, int width, int height, int stride, int dpi)
 {
@@ -426,21 +474,18 @@ draw_glyph(wchar_t wc, uint8_t *buf, int width, int height, int stride, int dpi)
     case 0x252a: draw_box_drawings_up_light_and_left_down_heavy(buf, width, height, stride, dpi); break;
     case 0x252b: draw_box_drawings_heavy_vertical_and_left(buf, width, height, stride, dpi); break;
     case 0x252c: draw_box_drawings_light_down_and_horizontal(buf, width, height, stride, dpi); break;
+    case 0x252d: draw_box_drawings_left_heavy_and_right_down_light(buf, width, height, stride, dpi); break;
+    case 0x252e: draw_box_drawings_right_heavy_and_left_down_light(buf, width, height, stride, dpi); break;
+    case 0x252f: draw_box_drawings_down_light_and_horizontal_heavy(buf, width, height, stride, dpi); break;
 
-    case 0x252d:
-    case 0x252e:
-    case 0x252f:
-        LOG_WARN("unimplemented: box drawing: wc=%04lx", (long)wc);
-        break;
-
+    case 0x2530: draw_box_drawings_down_heavy_and_horizontal_light(buf, width, height, stride, dpi); break;
+    case 0x2531: draw_box_drawings_right_light_and_left_down_heavy(buf, width, height, stride, dpi); break;
+    case 0x2532: draw_box_drawings_left_light_and_right_down_heavy(buf, width, height, stride, dpi); break;
     case 0x2533: draw_box_drawings_heavy_down_and_horizontal(buf, width, height, stride, dpi); break;
     case 0x2534: draw_box_drawings_light_up_and_horizontal(buf, width, height, stride, dpi); break;
     case 0x253b: draw_box_drawings_heavy_up_and_horizontal(buf, width, height, stride, dpi); break;
     case 0x253c: draw_box_drawings_light_vertical_and_horizontal(buf, width, height, stride, dpi); break;
 
-    case 0x2530:
-    case 0x2531:
-    case 0x2532:
     case 0x2535:
     case 0x2536:
     case 0x2537: