diff --git a/examples/mods/aim1_community_fix/my_mod.cpp b/examples/mods/aim1_community_fix/my_mod.cpp
index ff6a499..7369643 100644
--- a/examples/mods/aim1_community_fix/my_mod.cpp
+++ b/examples/mods/aim1_community_fix/my_mod.cpp
@@ -104,8 +104,6 @@ int main(int argc, char *argv[]) {
     // patch note: allow to buy double heavy weapon Finder-2 glider on Finders base after the second quest. You must start the new game to make it appear (lz)
     mod.add_map_good("location6.mmo", "B_L6_IK_FINDER", "GL_S3_PS_FINDER1",
                      mmo_storage2::map_good("GL_S3_PS_FINDER2", "T_L6_IK_F2.COMPLETE"));
-    // patch note: add Finder-2 model and textures from aim2 game (lz)
-    mod.copy_from_aim2("MOD_GL_S3_PS_FINDER2");
     // patch note: set correct model for a plant (Streef)
     mod.patch<uint8_t>("location6.mmo", 0x0005775D, 'R', 'F');
     // patch note: fix 'TOV_POLYMER_PLATE' spawn (Streef)
@@ -167,6 +165,14 @@ int main(int argc, char *argv[]) {
     quest["en_US"]["INFORMATION"]["EQP_ZERO_ARMOR_S_SIN"]["NAME"] = "Special zero armor";
     // patch note:
 
+    // patch note: MODELS
+    // patch note: add Finder-2 model and textures from aim2 game (lz)
+    mod.copy_from_aim2("MOD_GL_S3_PS_FINDER2");
+    // patch note: fix MOD_GL_M1_C_TRANS model to make engine fires visible (lz)
+    mod.replace("MOD_GL_M1_C_TRANS", "FIREa"s, "FIRE\0"s);
+    mod.replace("MOD_GL_M1_C_TRANS", "FIREb"s, "FIRE1"s);
+    // patch note:
+
     // patch note: Game Changes
     // patch note: enable double weapon gliders (lz)
     // patch note:    double light weapons: GL_M2_PA_NARGOON and GL_S3_PS_FINDER1
@@ -230,10 +236,10 @@ int main(int argc, char *argv[]) {
     db["Оружие"]["GUN_IMPULSE_MEGALAZER_TEST"]["STANDARD"] = 1;
     db["Конфигурации"]["CFG_STARTUP"]["HEAVYGUN1"] = "GUN_IMPULSE_MEGALAZER_TEST";
     //
-    db["Конфигурации"]["CFG_STARTUP"]["EQP_ANALYZER"] = 1;
-    db["Конфигурации"]["CFG_STARTUP"]["EQP_QUANTUM_TRANSLATOR"] = 1;
+    //db["Конфигурации"]["CFG_STARTUP"]["EQP_ANALYZER"] = 1;
+    //db["Конфигурации"]["CFG_STARTUP"]["EQP_QUANTUM_TRANSLATOR"] = 1;
     db["Конфигурации"]["CFG_STARTUP"]["EQP_INVISIBILITY_SHIELD"] = 1;
-    db["Конфигурации"]["CFG_STARTUP"]["EQP_UNIVERSAL_SHIELD"] = 1;
+    //db["Конфигурации"]["CFG_STARTUP"]["EQP_UNIVERSAL_SHIELD"] = 1;
     // end of db changes in dev mode
     // patch note dev: allow to buy GL_S3_PS_FINDER1 without pre-quest
     mod.add_map_good("location6.mmo", "B_L6_IK_FINDER", "GL_S3_PS_FINDER1", mmo_storage2::map_good("GL_S3_PS_FINDER1"));
@@ -265,21 +271,21 @@ int main(int argc, char *argv[]) {
     //mod.copy_weapon_from_aim2("GUN_GRAVITON");
     //after = mod.add_map_good("location1.mmo", "B_L1_BASE1", after, mmo_storage2::map_good("GUN_GRAVITON"));
 
-    //
-    mod.replace("under.scr", "_ADDSENSOR(T_L4_BASE_2)", "_ADDSENSOR(T_L4_BASE_2 )\n_MARK(T_L4_BASE_2)");
+    // works in ru
+    //mod.replace("under.scr", "_ADDSENSOR(T_L4_BASE_2)", "_ADDSENSOR(T_L4_BASE_2)\n_MARK(T_L4_BASE_2)");
 
     //
-    mod.clone_mechmind_group("location1.mmo", "MINVACH-6", "MINVACH-666");
+    mod.clone_mech_group("location1.mmo", "MINVACH-6", "MINVACH-666");
     auto cfg = "CFG_TEST";
     db["Конфигурации"][cfg] = db["Конфигурации"]["CFG_STARTUP"];
     db["Конфигурации"][cfg]["ENGINE"] = "EQP_VACUUM_DRIVE_S4";
     auto make = [&](auto name, int road) {
-        mod.clone_mechmind_group("location1.mmo", "MINVACH-6", name);
-        mod.update_mechmind_group_configurations("location1.mmo", name, cfg);
-        mod.set_mechmind_group_type("location1.mmo", name, 1, road);
+        mod.clone_mech_group("location1.mmo", "MINVACH-6", name);
+        mod.update_mech_group_configurations("location1.mmo", name, cfg);
+        mod.set_mech_group_type("location1.mmo", name, 1, road);
     };
     for (int i = 0; i < 20; ++i) {
-        make(std::format("MINVACH-6{}", i), 1000 / 20 * i + 20);
+        //make(std::format("MINVACH-6{}", i), 1000 / 20 * i + 20);
     }
     auto &pol = mod.politics();
     pol["ORG_INVADERS"].aggressiveness = 1000;
@@ -288,6 +294,7 @@ int main(int argc, char *argv[]) {
     pol["ORG_INVADERS"]["ORG_HUNTERS"] = -1000;
     pol["ORG_INVADERS"]["ORG_FREE"] = -1000;
     pol["ORG_INVADERS"]["ORG_INVADERS"] = 1000;
+    //pol["ORG_INVADERS"]["ORG_PLAYER"] = 1000; // does not work
     /*mod.update_mechmind_group_configurations("location1.mmo", "MINVACH-666",
         cfg,
         cfg,
diff --git a/src/aim1_mod_maker/aim1_mod_maker.h b/src/aim1_mod_maker/aim1_mod_maker.h
index 3fab989..5616963 100644
--- a/src/aim1_mod_maker/aim1_mod_maker.h
+++ b/src/aim1_mod_maker/aim1_mod_maker.h
@@ -178,6 +178,15 @@ struct bin_patcher {
         }
         v ^= value;
     }
+    static void replace_bin_in_file_raw(const path &fn, const std::string &from, const std::string &to) {
+        if (from.size() != to.size()) {
+            throw std::runtime_error{"mismatched size"};
+        }
+        primitives::templates2::mmap_file<uint8_t> f{fn, primitives::templates2::mmap_file<uint8_t>::rw{}};
+        while (auto p = memmem(f.p, f.sz, from)) {
+            memcpy(p, to.data(), to.size());
+        }
+    }
 };
 
 struct politics {
@@ -421,11 +430,18 @@ struct mod_maker {
             auto dst_txt = get_mod_dir() / txt.filename();
             copy_file_once(txt, dst_txt);
             txt = dst_txt;
-            replace_in_file_raw(txt, from, to);
+            replace_text_in_file_raw(txt, from, to);
             run_p4_tool("txt2script", txt);
             files_to_pak.insert(get_mod_dir() / txt.stem());
             break;
         }
+        case file_type::model: {
+            auto p = find_real_filename(fn);
+            log("replacing bin in file {} from '{}' to '{}'", p.string(), from, to);
+            bin_patcher::replace_bin_in_file_raw(p, from, to);
+            files_to_pak.insert(get_mod_dir() / p.stem());
+            break;
+        }
         default:
             SW_UNIMPLEMENTED;
         }
@@ -1349,6 +1365,18 @@ FF D7                   ; call    edi
             copy_file_once(p, dst);
             return dst;
         }
+        case file_type::model: {
+            if (fn.filename() == fn) {
+                fn = path{"Data"} / "Models" / fn;
+            }
+            auto p = find_file_in_paks(fn, "res3.pak", "res2.pak", "res0.pak");
+            if (!fs::exists(p)) {
+                throw SW_RUNTIME_ERROR("Cannot find file in archives: "s + fn.string());
+            }
+            auto dst = get_mod_dir() / p.filename();
+            copy_file_once(p, dst);
+            return dst;
+        }
         default:
             SW_UNIMPLEMENTED;
         }
@@ -1401,7 +1429,7 @@ FF D7                   ; call    edi
     path get_data_dir() const {
         return game_dir / "data";
     }
-    static void replace_in_file_raw(const path &fn, const std::string &from, const std::string &to) {
+    static void replace_text_in_file_raw(const path &fn, const std::string &from, const std::string &to) {
         log("replacing in file {} from '{}' to '{}'", fn.string(), from, to);
         auto f = read_file(fn);
         boost::replace_all(f, from, to);