diff --git a/source/build/include/buildtypes.h b/source/build/include/buildtypes.h
index 1ac86d561..d526315a0 100644
--- a/source/build/include/buildtypes.h
+++ b/source/build/include/buildtypes.h
@@ -149,6 +149,10 @@ enum
     CSTAT_SPRITE_RESERVED5 = 1u<<14u, // used by Duke 3D (Polymer), Shadow Warrior, Blood
 
     CSTAT_SPRITE_INVISIBLE = 1u<<15u,
+
+    // Raze extensions, using the higher bits to avoid conflitcs with the reserved and undocumented bits above.
+    CSTAT_SPRITE_MDLROTATE = 1u<<16u,   // Only for tsprites: rotate if this is a model or voxel.
+
 };
 enum
 {
@@ -180,6 +184,7 @@ enum
     CSTAT_WALL_RESERVED1     = 1u<<13u,
     CSTAT_WALL_RESERVED2     = 1u<<14u, // used by Shadow Warrior, Blood
     CSTAT_WALL_RESERVED3     = 1u<<15u, // used by Shadow Warrior, Blood
+
 };
 #endif
 
@@ -202,7 +207,7 @@ struct spritetype
         };
         vec3_t opos;
     };
-    uint16_t cstat;
+    uint32_t cstat;
     int16_t picnum;
     int8_t shade;
     uint8_t pal, clipdist, blend;
diff --git a/source/build/include/mdsprite.h b/source/build/include/mdsprite.h
index 1c4882ab3..05cf0b10e 100644
--- a/source/build/include/mdsprite.h
+++ b/source/build/include/mdsprite.h
@@ -210,7 +210,7 @@ EXTERN voxmodel_t *voxmodels[MAXVOXELS];
 
 void voxfree(voxmodel_t *m);
 voxmodel_t *voxload(int lumpnum);
-int32_t polymost_voxdraw(voxmodel_t *m, tspriteptr_t const tspr);
+int32_t polymost_voxdraw(voxmodel_t *m, tspriteptr_t const tspr, bool rotate);
 
 int      md3postload_polymer(md3model_t* m);
 //int32_t md_thinoutmodel(int32_t modelid, uint8_t *usedframebitmap);
diff --git a/source/build/include/polymost.h b/source/build/include/polymost.h
index 41bbc7fbf..ee9a14849 100644
--- a/source/build/include/polymost.h
+++ b/source/build/include/polymost.h
@@ -11,6 +11,7 @@ extern float gtang;
 extern double gxyaspect;
 extern float grhalfxdown10x;
 extern float gcosang, gsinang, gcosang2, gsinang2;
+extern int pm_smoothratio;
 
 extern void Polymost_prepare_loadboard(void);
 
diff --git a/source/build/src/mdsprite.cpp b/source/build/src/mdsprite.cpp
index 1ce3b78f2..dcd16b5c6 100644
--- a/source/build/src/mdsprite.cpp
+++ b/source/build/src/mdsprite.cpp
@@ -1648,7 +1648,7 @@ int32_t polymost_mddraw(tspriteptr_t tspr)
     mdmodel_t *const vm = models[tile2model[Ptile2tile(tspr->picnum,
     (tspr->owner >= MAXSPRITES) ? tspr->pal : sprite[tspr->owner].pal)].modelid];
     if (vm->mdnum == 1)
-        return polymost_voxdraw((voxmodel_t *)vm,tspr);
+        return polymost_voxdraw((voxmodel_t *)vm,tspr, false); // can't access rotating info anymore
     else if (vm->mdnum == 3)
         return polymost_md3draw((md3model_t *)vm,tspr);
     return 0;
diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index c21e2417e..496edb870 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -36,6 +36,7 @@ CUSTOM_CVARD(Bool, hw_useindexedcolortextures, false, CVAR_ARCHIVE | CVAR_GLOBAL
 {
     if (screen) screen->SetTextureFilterMode();
 }
+int pm_smoothratio;
 
 
 //{ "r_yshearing", "enable/disable y-shearing", (void*)&r_yshearing, CVAR_BOOL, 0, 1 }, disabled because not fully functional 
@@ -3034,13 +3035,15 @@ void polymost_drawsprite(int32_t snum)
         {
             if ((tspr->cstat & 48) != 48 && tiletovox[tspr->picnum] >= 0 && voxmodels[tiletovox[tspr->picnum]])
             {
-                if (polymost_voxdraw(voxmodels[tiletovox[tspr->picnum]], tspr)) return;
+                int num = tiletovox[tspr->picnum];
+                if (polymost_voxdraw(voxmodels[num], tspr, voxrotate[num>>3] & (1<<(num&7)))) return;
                 break;  // else, render as flat sprite
             }
 
             if ((tspr->cstat & 48) == 48 && tspr->picnum < MAXVOXELS && voxmodels[tspr->picnum])
             {
-                polymost_voxdraw(voxmodels[tspr->picnum], tspr);
+                int num = tspr->picnum;
+                polymost_voxdraw(voxmodels[tspr->picnum], tspr, voxrotate[num >> 3] & (1 << (num & 7)));
                 return;
             }
         }
diff --git a/source/build/src/voxmodel.cpp b/source/build/src/voxmodel.cpp
index 79db18c36..2e3b37e60 100644
--- a/source/build/src/voxmodel.cpp
+++ b/source/build/src/voxmodel.cpp
@@ -12,6 +12,7 @@
 #include "hw_renderstate.h"
 #include "texturemanager.h"
 #include "voxels.h"
+#include "gamecontrol.h"
 #include "glbackend/gl_models.h"
 
 #include "palette.h"
@@ -50,8 +51,7 @@ voxmodel_t *voxload(int lumpnum)
 }
 
 //Draw voxel model as perfect cubes
-// Note: This is a hopeless mess that totally forfeits any chance of using a vertex buffer with its messy coordinate adjustments. :(
-int32_t polymost_voxdraw(voxmodel_t* m, tspriteptr_t const tspr)
+int32_t polymost_voxdraw(voxmodel_t* m, tspriteptr_t const tspr, bool rotate)
 {
     float f, g, k0, zoff;
 
@@ -65,6 +65,13 @@ int32_t polymost_voxdraw(voxmodel_t* m, tspriteptr_t const tspr)
 
     //updateanimation((md2model *)m,tspr);
 
+    if ((tspr->cstat & CSTAT_SPRITE_MDLROTATE) || rotate)
+    {
+        int myclock = (PlayClock << 3) + MulScale(4 << 3, pm_smoothratio, 16);
+        tspr->ang = (tspr->ang + myclock) & 2047; // will be applied in md3_vox_calcmat_common.
+    }
+
+
     vec3f_t m0 = { m->scale, m->scale, m->scale };
     vec3f_t a0 = { 0, 0, m->zadd*m->scale };
 
diff --git a/source/core/gamecontrol.h b/source/core/gamecontrol.h
index 66ae96da2..85242b2f7 100644
--- a/source/core/gamecontrol.h
+++ b/source/core/gamecontrol.h
@@ -14,6 +14,7 @@
 
 extern FString currentGame;
 extern FString LumpFilter;
+extern int PlayClock;
 class FArgs;
 extern bool GUICapture;
 extern bool AppActive;
diff --git a/source/games/blood/src/animatesprite.cpp b/source/games/blood/src/animatesprite.cpp
index dfe6f84f3..fb9e477a9 100644
--- a/source/games/blood/src/animatesprite.cpp
+++ b/source/games/blood/src/animatesprite.cpp
@@ -574,8 +574,8 @@ void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t
 
             int const nVoxel = tiletovox[pTSprite->picnum];
 
-            if (nVoxel != -1 && ((voxrotate[nVoxel>>3]&pow2char[nVoxel&7]) != 0 || (picanm[nRootTile].extra&7) == 7))
-                pTSprite->ang = (pTSprite->ang+myclock)&2047;
+            if (nVoxel != -1 && (picanm[nRootTile].extra & 7) == 7)
+                pTSprite->cstat |= CSTAT_SPRITE_MDLROTATE; // per-sprite rotation setting.
         }
 
         if ((pTSprite->cstat&48) != 48 && hw_models && !(spriteext[nSprite].flags&SPREXT_NOTMD))
@@ -590,7 +590,7 @@ void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t
                 pTSprite->xoffset += tileLeftOffset(nAnimTile);
 
                 if ((picanm[nRootTile].extra&7) == 7)
-                    pTSprite->ang = (pTSprite->ang+myclock)&2047;
+                    pTSprite->cstat |= CSTAT_SPRITE_MDLROTATE; // per-sprite rotation setting.
             }
         }
 
diff --git a/source/games/blood/src/view.cpp b/source/games/blood/src/view.cpp
index 6575d1298..938156aa7 100644
--- a/source/games/blood/src/view.cpp
+++ b/source/games/blood/src/view.cpp
@@ -467,6 +467,7 @@ void viewDrawScreen(bool sceneonly)
         gInterpolate = I_GetTimeFrac() * MaxSmoothRatio;
     }
     else gInterpolate = MaxSmoothRatio;
+    pm_smoothratio = (int)gInterpolate;
 
     if (cl_interpolate)
     {
diff --git a/source/games/duke/src/render.cpp b/source/games/duke/src/render.cpp
index 321e2bc31..42bcc0c07 100644
--- a/source/games/duke/src/render.cpp
+++ b/source/games/duke/src/render.cpp
@@ -474,6 +474,7 @@ void displayrooms(int snum, double smoothratio)
 	int tiltcs = 0; // JBF 20030807
 
 	p = &ps[snum];
+	pm_smoothratio = (int)smoothratio;
 
 	if (automapMode == am_full || p->cursectnum == -1)
 		return;
diff --git a/source/games/exhumed/src/view.cpp b/source/games/exhumed/src/view.cpp
index bd17491b4..8d3e7cf20 100644
--- a/source/games/exhumed/src/view.cpp
+++ b/source/games/exhumed/src/view.cpp
@@ -207,6 +207,7 @@ void DrawView(double smoothRatio, bool sceneonly)
     zbob = bsin(2 * bobangle, -3);
 
     DoInterpolations(smoothRatio / 65536.);
+    pm_smoothratio = (int)smoothRatio;
 
     int nPlayerSprite = PlayerList[nLocalPlayer].nSprite;
     int nPlayerOldCstat = sprite[nPlayerSprite].cstat;
diff --git a/source/games/sw/src/draw.cpp b/source/games/sw/src/draw.cpp
index 6763fd752..915788055 100644
--- a/source/games/sw/src/draw.cpp
+++ b/source/games/sw/src/draw.cpp
@@ -1492,6 +1492,7 @@ drawscreen(PLAYERp pp, double smoothratio)
     PreDraw();
 
     PreUpdatePanel(smoothratio);
+    pm_smoothratio = (int)smoothratio;
 
     if (!ScreenSavePic)
     {