diff --git a/src/rendermode-normal.c b/src/rendermode-normal.c
index d5fb87d..1381eb0 100644
--- a/src/rendermode-normal.c
+++ b/src/rendermode-normal.c
@@ -176,33 +176,45 @@ rendermode_normal_draw(void *data, RenderState *state, PyObject *src, PyObject *
 
     /* Draw some edge lines! */
     // draw.line(((imgx+12,imgy+increment), (imgx+22,imgy+5+increment)), fill=(0,0,0), width=1)
-    if (!is_transparent(state->block)) {
+    if (state->block == 44 || state->block == 78 || !is_transparent(state->block)) {
         Imaging img_i = imaging_python_to_c(state->img);
         unsigned char ink[] = {0,0,0,40};
 
         int increment=0;
-        if (state->block == 44) 
+        if (state->block == 44)  // half-step
             increment=6;
-        else if (state->block == 78) 
+        else if (state->block == 78) // snow
             increment=9;
 
-        if ((state->x == 15) && (state->up_right_blocks != Py_None) && is_transparent(getArrayByte3D(state->up_right_blocks, 0, state->y, state->z))) {
-            ImagingDrawLine(img_i, state->imgx+12, state->imgy+1+increment, state->imgx+22+1, state->imgy+5+1+increment, &ink, 1);
-            ImagingDrawLine(img_i, state->imgx+12, state->imgy+increment, state->imgx+22+1, state->imgy+5+increment, &ink, 1);
-        } else if ((state->x != 15) && is_transparent(getArrayByte3D(state->blocks, state->x+1, state->y, state->z))) {
-            ImagingDrawLine(img_i, state->imgx+12, state->imgy+1+increment, state->imgx+22+1, state->imgy+5+1+increment, &ink, 1);
-            ImagingDrawLine(img_i, state->imgx+12, state->imgy+increment, state->imgx+22+1, state->imgy+5+increment, &ink, 1);
+        if ((state->x == 15) && (state->up_right_blocks != Py_None)) {
+            unsigned char side_block = getArrayByte3D(state->up_right_blocks, 0, state->y, state->z);
+            if (side_block != state->block && is_transparent(side_block)) {
+                ImagingDrawLine(img_i, state->imgx+12, state->imgy+1+increment, state->imgx+22+1, state->imgy+5+1+increment, &ink, 1);
+                ImagingDrawLine(img_i, state->imgx+12, state->imgy+increment, state->imgx+22+1, state->imgy+5+increment, &ink, 1);
+            }
+        } else if (state->x != 15) {
+            unsigned char side_block = getArrayByte3D(state->blocks, state->x+1, state->y, state->z);
+            if (side_block != state->block && is_transparent(side_block)) {
+                ImagingDrawLine(img_i, state->imgx+12, state->imgy+1+increment, state->imgx+22+1, state->imgy+5+1+increment, &ink, 1);
+                ImagingDrawLine(img_i, state->imgx+12, state->imgy+increment, state->imgx+22+1, state->imgy+5+increment, &ink, 1);
+            }
         }
         // if y != 0 and blocks[x,y-1,z] == 0
 
         // chunk boundries are annoying
-        if ((state->y == 0) && (state->up_left_blocks != Py_None) && is_transparent(getArrayByte3D(state->up_left_blocks, state->x, 15, state->z))) {
-            ImagingDrawLine(img_i, state->imgx, state->imgy+6+1+increment, state->imgx+12+1, state->imgy+1+increment, &ink, 1);
-            ImagingDrawLine(img_i, state->imgx, state->imgy+6+increment, state->imgx+12+1, state->imgy+increment, &ink, 1);
-        } else if ((state->y != 0) && is_transparent(getArrayByte3D(state->blocks, state->x, state->y-1, state->z))) {
-            // draw.line(((imgx,imgy+6+increment), (imgx+12,imgy+increment)), fill=(0,0,0), width=1)
-            ImagingDrawLine(img_i, state->imgx, state->imgy+6+1+increment, state->imgx+12+1, state->imgy+1+increment, &ink, 1);
-            ImagingDrawLine(img_i, state->imgx, state->imgy+6+increment, state->imgx+12+1, state->imgy+increment, &ink, 1);
+        if ((state->y == 0) && (state->up_left_blocks != Py_None)) {
+            unsigned char side_block = getArrayByte3D(state->up_left_blocks, state->x, 15, state->z);
+            if (side_block != state->block && is_transparent(side_block)) {
+                ImagingDrawLine(img_i, state->imgx, state->imgy+6+1+increment, state->imgx+12+1, state->imgy+1+increment, &ink, 1);
+                ImagingDrawLine(img_i, state->imgx, state->imgy+6+increment, state->imgx+12+1, state->imgy+increment, &ink, 1);
+            }
+        } else if (state->y != 0) {
+            unsigned char side_block = getArrayByte3D(state->blocks, state->x, state->y-1, state->z);
+            if (side_block != state->block && is_transparent(side_block)) {
+                // draw.line(((imgx,imgy+6+increment), (imgx+12,imgy+increment)), fill=(0,0,0), width=1)
+                ImagingDrawLine(img_i, state->imgx, state->imgy+6+1+increment, state->imgx+12+1, state->imgy+1+increment, &ink, 1);
+                ImagingDrawLine(img_i, state->imgx, state->imgy+6+increment, state->imgx+12+1, state->imgy+increment, &ink, 1);
+            }
         }
     }
 }