diff --git a/addons/apl/ace_envelope_big4.p3d b/addons/apl/ace_envelope_big4.p3d
new file mode 100644
index 0000000000..45a23be11b
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diff --git a/addons/apl/ace_envelope_big4_nogeo.p3d b/addons/apl/ace_envelope_big4_nogeo.p3d
new file mode 100644
index 0000000000..66e20e5810
Binary files /dev/null and b/addons/apl/ace_envelope_big4_nogeo.p3d differ
diff --git a/addons/apl/ace_envelope_small4.p3d b/addons/apl/ace_envelope_small4.p3d
new file mode 100644
index 0000000000..d139f6bbca
Binary files /dev/null and b/addons/apl/ace_envelope_small4.p3d differ
diff --git a/addons/apl/ace_envelope_small4_nogeo.p3d b/addons/apl/ace_envelope_small4_nogeo.p3d
new file mode 100644
index 0000000000..a39195505c
Binary files /dev/null and b/addons/apl/ace_envelope_small4_nogeo.p3d differ
diff --git a/addons/trenches/CfgVehicles.hpp b/addons/trenches/CfgVehicles.hpp
index be69d17fa6..81880a4265 100644
--- a/addons/trenches/CfgVehicles.hpp
+++ b/addons/trenches/CfgVehicles.hpp
@@ -32,14 +32,14 @@ class CfgVehicles {
         author = ECSTRING(common,ACETeam);
         displayName = CSTRING(EnvelopeSmallName);
         descriptionShort = CSTRING(EnevlopeSmallDescription);
-        model = QUOTE(PATHTOEF(apl,ace_envelope_small3.p3d));
+        model = QUOTE(PATHTOEF(apl,ace_envelope_small4.p3d));
         scope = 2;
     };
     class ACE_envelope_big: BagFence_base_F {
         author = ECSTRING(common,ACETeam);
         displayName = CSTRING(EnvelopeBigName);
         descriptionShort = CSTRING(EnevlopeBigDescription);
-        model = QUOTE(PATHTOEF(apl,ace_envelope_big3.p3d));
+        model = QUOTE(PATHTOEF(apl,ace_envelope_big4.p3d));
         scope = 2;
     };
 
@@ -47,12 +47,12 @@ class CfgVehicles {
     class ACE_envelope_small_NoGeo: ACE_envelope_small {
         scope = 1;
         //@todo: replace by a no geo model
-        model = QUOTE(PATHTOEF(apl,ace_envelope_small3.p3d));
+        model = QUOTE(PATHTOEF(apl,ace_envelope_small4_nogeo.p3d));
     };
     class ACE_envelope_big_NoGeo: ACE_envelope_big {
         scope = 1;
         //@todo: replace by a no geo model
-        model = QUOTE(PATHTOEF(apl,ace_envelope_big3.p3d));
+        model = QUOTE(PATHTOEF(apl,ace_envelope_big4_nogeo.p3d));
     };
 
     class Box_NATO_Support_F;
diff --git a/addons/trenches/XEH_preInit.sqf b/addons/trenches/XEH_preInit.sqf
index 9f9af947ec..3ec0b00601 100644
--- a/addons/trenches/XEH_preInit.sqf
+++ b/addons/trenches/XEH_preInit.sqf
@@ -16,7 +16,7 @@ PREP(placeTrench);
 // Trench types
 // Name of the object, name of th dummy no geo object, dx, dy
 GVAR(trenchSmall) = ["ACE_envelope_small", "ACE_envelope_small_NoGeo", 2, 3, 0.35];
-GVAR(trenchBig) = ["ACE_envelope_big", "ACE_envelope_big_NoGeo", 6, 1.1, 0.20];
+GVAR(trenchBig) = ["ACE_envelope_big", "ACE_envelope_big_NoGeo", 6, 1.1, 0.25];
 GVAR(trenchType) = GVAR(trenchSmall);
 
 ADDON = true;