diff --git a/floorshapes.cpp b/floorshapes.cpp
index 93e5685f..e0611f00 100644
--- a/floorshapes.cpp
+++ b/floorshapes.cpp
@@ -501,30 +501,34 @@ void generate_floorshapes_for(int id, cell *c, int siid, int sidir) {
           }
         }
       
-      sizeto(fsh.cone, id);
-      bshape(fsh.cone[id], fsh.prio);    
-      last->flags |= POLY_TRIANGLES;
-      last->tinf = &fsh.tinf3;
-      last->texture_offset = 0;
-      #if CAP_BT
-      if(binarytiling)
-        for(int t=0; t<c->type; t++)
-          texture_order([&] (ld x, ld y) {
+      for(int co=0; co<2; co++) {
+        sizeto(fsh.cone[co], id);
+        bshape(fsh.cone[co][id], fsh.prio);    
+        last->flags |= POLY_TRIANGLES;
+        last->tinf = &fsh.tinf3;
+        last->texture_offset = 0;
+        ld h = (geom3::FLOOR - geom3::WALL) / (co+1);
+        ld top = co ? (geom3::FLOOR + geom3::WALL) / 2 : geom3::WALL;
+        #if CAP_BT
+        if(binarytiling)
+          for(int t=0; t<c->type; t++)
+            texture_order([&] (ld x, ld y) {
+              using namespace hyperpoint_vec;
+              hyperpoint left = binary::get_corner_horo_coordinates(c, t);
+              hyperpoint right = binary::get_corner_horo_coordinates(c, t+1);
+              hpcpush(rgpushxto0(binary::get_horopoint(left * x + right * y)) * zpush(top + h * (x+y)) * C0);
+              });
+        else
+        #endif
+        if(1) {
+          int s = fsh.b[id].s;
+          int e = fsh.b[id].e-1;        
+          for(int t=0; t<e-s; t++) {
             using namespace hyperpoint_vec;
-            hyperpoint left = binary::get_corner_horo_coordinates(c, t);
-            hyperpoint right = binary::get_corner_horo_coordinates(c, t+1);
-            hpcpush(rgpushxto0(binary::get_horopoint(left * x + right * y)) * zpush(geom3::WALL + (geom3::FLOOR-geom3::WALL) * (x+y)) * C0);
-            });
-      else
-      #endif
-      if(1) {
-        int s = fsh.b[id].s;
-        int e = fsh.b[id].e-1;        
-        for(int t=0; t<e-s; t++) {
-          using namespace hyperpoint_vec;
-          hyperpoint v1 = hpc[s+t] - C0;
-          hyperpoint v2 = hpc[s+t+1] - C0;
-          texture_order([&] (ld x, ld y) { hpcpush(rgpushxto0(normalize(C0 + v1 * x + v2 * y))*zpush(geom3::WALL + (geom3::FLOOR-geom3::WALL) * (x+y))*C0); });
+            hyperpoint v1 = hpc[s+t] - C0;
+            hyperpoint v2 = hpc[s+t+1] - C0;
+            texture_order([&] (ld x, ld y) { hpcpush(rgpushxto0(normalize(C0 + v1 * x + v2 * y))*zpush(top + h * (x+y))*C0); });
+            }
           }
         }
 
@@ -547,8 +551,11 @@ void generate_floorshapes_for(int id, cell *c, int siid, int sidir) {
           fsh.gpside[l][e] = shFullFloor.gpside[l][e];
           for(auto& li: fsh.gpside[l][e]) li.tinf = &fsh.tinf3;
           }
-        fsh.cone = shFullFloor.cone;
-        for(auto& li: fsh.cone) li.tinf = &fsh.tinf3;
+        fsh.cone[0] = shFullFloor.cone[0];
+        fsh.cone[1] = shFullFloor.cone[1];
+        for(int c=0; c<2; c++)
+          for(auto& li: fsh.cone[c])
+            li.tinf = &fsh.tinf3;
         }
       }
     finishshape();
diff --git a/graph.cpp b/graph.cpp
index 8f2a0627..0f981c8d 100644
--- a/graph.cpp
+++ b/graph.cpp
@@ -3974,7 +3974,7 @@ void draw_wall(cell *c, const transmatrix& V, color_t wcol, color_t& zcol, int c
   if(DIM == 3 && WDIM == 2) {
     if(!qfi.fshape) qfi.fshape = &shFullFloor;
     if(conegraph(c)) {
-      draw_shapevec(c, V, qfi.fshape->cone, darkena(wcol, 0, 0xFF), PPR::WALL);
+      draw_shapevec(c, V, qfi.fshape->cone[0], darkena(wcol, 0, 0xFF), PPR::WALL);
       return;
       }
     color_t wcol0 = wcol;
@@ -5512,7 +5512,7 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
         case waBarrier:
           if(c->land == laOceanWall && wmescher && wmspatial) {
            if(GDIM == 3 && qfi.fshape) {
-             draw_shapevec(c, V, qfi.fshape->cone, darkena(wcol, 0, 0xFF), PPR::WALL);
+             draw_shapevec(c, V, qfi.fshape->cone[1], darkena(wcol, 0, 0xFF), PPR::WALL);
              break;
              }           
            const int layers = 2 << detaillevel;
@@ -5586,7 +5586,7 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
           
           else if(c->wall == waExplosiveBarrel) {
             if(DIM == 3 && qfi.fshape) {
-              draw_shapevec(c, V, qfi.fshape->cone, 0xD00000FF, PPR::REDWALL);
+              draw_shapevec(c, V, qfi.fshape->cone[1], 0xD00000FF, PPR::REDWALL);
               break;
               }
             const int layers = 2 << detaillevel;
@@ -5600,7 +5600,7 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
             auto V2 = V;
             if(hasTimeout(c)) V2 = V2 * spintick(c->land == laPower ? 5000 : 500);
             if(GDIM == 3 && qfi.fshape)
-              draw_shapevec(c, V2, qfi.fshape->cone, darkena(wcol, 0, 0xF0), PPR::WALL);
+              draw_shapevec(c, V2, qfi.fshape->cone[1], darkena(wcol, 0, 0xF0), PPR::WALL);
             else queuepoly(V2, shStar, darkena(wcol, 0, 0xF0));
             if(isFire(c) && rand() % 300 < ticks - lastt)
               drawParticle(c, wcol, 75);
diff --git a/hyper.h b/hyper.h
index af4fea8c..e68ded5e 100644
--- a/hyper.h
+++ b/hyper.h
@@ -4249,7 +4249,7 @@ struct floorshape {
   int pstrength; // pattern strength in 3D
   int fstrength; // frame strength in 3D
   PPR prio;
-  vector<hpcshape> b, shadow, side[SIDEPARS], gpside[SIDEPARS][MAX_EDGE], levels[SIDEPARS], cone;
+  vector<hpcshape> b, shadow, side[SIDEPARS], gpside[SIDEPARS][MAX_EDGE], levels[SIDEPARS], cone[2];
   basic_textureinfo tinf3;
   floorshape() { prio = PPR::FLOOR; pstrength = fstrength = 10; }
   };