diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index a0d3fd7682..2727246299 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -1537,6 +1537,8 @@ lst.unitcontrol = Control the currently bound unit.
 lst.unitradar = Locate units around the currently bound unit.
 lst.unitlocate = Locate a specific type of position/building anywhere on the map.\nRequires a bound unit.
 
+logic.nounitbuild = [red]Unit building logic is not allowed here.
+
 lenum.type = Type of building/unit.\ne.g. for any router, this will return [accent]@router[].\nNot a string.
 lenum.shoot = Shoot at a position.
 lenum.shootp = Shoot at a unit/building with velocity prediction.
@@ -1639,6 +1641,7 @@ unitlocate.outx = Output X coordinate.
 unitlocate.outy = Output Y coordinate.
 unitlocate.group = Building group to look for.
 
+lenum.idle = Don't move, but keep building/mining.\nThe default state.
 lenum.stop = Stop moving/mining/building.
 lenum.move = Move to exact position.
 lenum.approach = Approach a position with a radius.
diff --git a/core/src/mindustry/ai/types/LogicAI.java b/core/src/mindustry/ai/types/LogicAI.java
index 5f72520729..abd76201e6 100644
--- a/core/src/mindustry/ai/types/LogicAI.java
+++ b/core/src/mindustry/ai/types/LogicAI.java
@@ -19,7 +19,7 @@ public class LogicAI extends AIController{
     /** Time after which the unit resets its controlled and reverts to a normal unit. */
     public static final float logicControlTimeout = 10f * 60f;
 
-    public LUnitControl control = LUnitControl.stop;
+    public LUnitControl control = LUnitControl.idle;
     public float moveX, moveY, moveRad;
     public float itemTimer, payTimer, controlTimer = logicControlTimeout, targetTimer;
     @Nullable
diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index 407fe6a9d1..4a6ba5b1d4 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -962,8 +962,19 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
             lastAccessed = builder.getPlayer().name;
         }
 
+        Log.info("@ configured @ with @", builder, this, value);
+
         if(block.configurations.containsKey(type)){
             block.configurations.get(type).get(this, value);
+        }else if(value instanceof Building build){
+            Log.info("conf w build");
+            //copy config of another building
+            var conf = build.config();
+            if(conf != null && !(conf instanceof Building)){
+                configured(builder, conf);
+            }else{
+                Log.info("no build");
+            }
         }
     }
 
diff --git a/core/src/mindustry/game/Rules.java b/core/src/mindustry/game/Rules.java
index 538422fef0..9b95bbf7d3 100644
--- a/core/src/mindustry/game/Rules.java
+++ b/core/src/mindustry/game/Rules.java
@@ -50,6 +50,8 @@ public class Rules{
     public float unitBuildSpeedMultiplier = 1f;
     /** How much damage any other units deal. */
     public float unitDamageMultiplier = 1f;
+    /** Whether to allow units to build with logic. */
+    public boolean logicUnitBuild = true;
     /** How much health blocks start with. */
     public float blockHealthMultiplier = 1f;
     /** How much damage blocks (turrets) deal. */
diff --git a/core/src/mindustry/game/Schematics.java b/core/src/mindustry/game/Schematics.java
index 92179b7c9c..e0e067a029 100644
--- a/core/src/mindustry/game/Schematics.java
+++ b/core/src/mindustry/game/Schematics.java
@@ -27,6 +27,7 @@ import mindustry.input.Placement.*;
 import mindustry.io.*;
 import mindustry.world.*;
 import mindustry.world.blocks.*;
+import mindustry.world.blocks.ConstructBlock.*;
 import mindustry.world.blocks.distribution.*;
 import mindustry.world.blocks.legacy.*;
 import mindustry.world.blocks.power.*;
@@ -357,10 +358,11 @@ public class Schematics implements Loadable{
         for(int cx = x; cx <= x2; cx++){
             for(int cy = y; cy <= y2; cy++){
                 Building linked = world.build(cx, cy);
+                Block realBlock = linked == null ? null : linked instanceof ConstructBuild cons ? cons.cblock : linked.block;
 
-                if(linked != null && (linked.block.isVisible() || linked.block() instanceof CoreBlock) && !(linked.block instanceof ConstructBlock)){
-                    int top = linked.block.size/2;
-                    int bot = linked.block.size % 2 == 1 ? -linked.block.size/2 : -(linked.block.size - 1)/2;
+                if(linked != null && (realBlock.isVisible() || realBlock instanceof CoreBlock)){
+                    int top = realBlock.size/2;
+                    int bot = realBlock.size % 2 == 1 ? -realBlock.size/2 : -(realBlock.size - 1)/2;
                     minx = Math.min(linked.tileX() + bot, minx);
                     miny = Math.min(linked.tileY() + bot, miny);
                     maxx = Math.max(linked.tileX() + top, maxx);
@@ -385,12 +387,13 @@ public class Schematics implements Loadable{
         for(int cx = ox; cx <= ox2; cx++){
             for(int cy = oy; cy <= oy2; cy++){
                 Building tile = world.build(cx, cy);
+                Block realBlock = tile == null ? null : tile instanceof ConstructBuild cons ? cons.cblock : tile.block;
 
-                if(tile != null && !counted.contains(tile.pos()) && !(tile.block instanceof ConstructBlock)
-                    && (tile.block.isVisible() || tile.block instanceof CoreBlock)){
+                if(tile != null && !counted.contains(tile.pos())
+                    && (realBlock.isVisible() || realBlock instanceof CoreBlock)){
                     Object config = tile.config();
 
-                    tiles.add(new Stile(tile.block, tile.tileX() + offsetX, tile.tileY() + offsetY, config, (byte)tile.rotation));
+                    tiles.add(new Stile(realBlock, tile.tileX() + offsetX, tile.tileY() + offsetY, config, (byte)tile.rotation));
                     counted.add(tile.pos());
                 }
             }
diff --git a/core/src/mindustry/logic/LExecutor.java b/core/src/mindustry/logic/LExecutor.java
index 6c4ec55281..c7082e4cb1 100644
--- a/core/src/mindustry/logic/LExecutor.java
+++ b/core/src/mindustry/logic/LExecutor.java
@@ -447,7 +447,7 @@ public class LExecutor{
                         }
                     }
                     case build -> {
-                        if(unit.canBuild() && exec.obj(p3) instanceof Block block){
+                        if(state.rules.logicUnitBuild && unit.canBuild() && exec.obj(p3) instanceof Block block){
                             int x = World.toTile(x1 - block.offset/tilesize), y = World.toTile(y1 - block.offset/tilesize);
                             int rot = exec.numi(p4);
 
@@ -458,12 +458,14 @@ public class LExecutor{
                                 ai.plan.stuck = false;
                             }
 
+                            var conf = exec.obj(p5);
                             ai.plan.set(x, y, rot, block);
-                            ai.plan.config = exec.obj(p5) instanceof Content c ? c : null;
+                            ai.plan.config = conf instanceof Content c ? c : conf instanceof Building b ? b : null;
 
                             unit.clearBuilding();
+                            Tile tile = ai.plan.tile();
 
-                            if(ai.plan.tile() != null){
+                            if(tile != null && !(tile.block() == block && tile.build != null && tile.build.rotation == rot)){
                                 unit.updateBuilding = true;
                                 unit.addBuild(ai.plan);
                             }
diff --git a/core/src/mindustry/logic/LStatements.java b/core/src/mindustry/logic/LStatements.java
index 15735359a7..21fddc023f 100644
--- a/core/src/mindustry/logic/LStatements.java
+++ b/core/src/mindustry/logic/LStatements.java
@@ -829,7 +829,11 @@ public class LStatements{
             table.button(b -> {
                 b.label(() -> type.name());
                 b.clicked(() -> showSelect(b, LUnitControl.all, type, t -> {
-                    type = t;
+                    if(t == LUnitControl.build && !Vars.state.rules.logicUnitBuild){
+                        Vars.ui.showInfo("@logic.nounitbuild");
+                    }else{
+                        type = t;
+                    }
                     rebuild(table);
                 }, 2, cell -> cell.size(120, 50)));
             }, Styles.logict, () -> {}).size(120, 40).color(table.color).left().padLeft(2);
diff --git a/core/src/mindustry/logic/LUnitControl.java b/core/src/mindustry/logic/LUnitControl.java
index 41f00da025..f5bc4dbd52 100644
--- a/core/src/mindustry/logic/LUnitControl.java
+++ b/core/src/mindustry/logic/LUnitControl.java
@@ -1,6 +1,7 @@
 package mindustry.logic;
 
 public enum LUnitControl{
+    idle,
     stop,
     move("x", "y"),
     approach("x", "y", "radius"),