diff --git a/build.gradle b/build.gradle
index d60a83710..075aea5f1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -79,7 +79,7 @@ sourceSets.main.resources {
 
 repositories {
     maven {
-        // location of the maven that hosts JEI files
+        // location of the maven that hosts JEI files (And TiC)
         name "Progwml6 maven"
         url "https://dvs1.progwml6.com/files/maven/"
     }
@@ -120,6 +120,8 @@ dependencies {
     // i'll leave this here commented for easier testing
     //runtimeOnly fg.deobf("vazkii.arl:AutoRegLib:1.4-35.69")
     //runtimeOnly fg.deobf("vazkii.quark:Quark:r2.0-212.984")
+    runtimeOnly fg.deobf("slimeknights.mantle:Mantle:1.16.3-1.6.40")
+    runtimeOnly fg.deobf("slimeknights.tconstruct:TConstruct:1.16.3-3.0.1.24")
 }
 
 jar {
diff --git a/src/generated/resources/assets/create/blockstates/fluid_pipe.json b/src/generated/resources/assets/create/blockstates/fluid_pipe.json
index d79073dc8..a4cffcde7 100644
--- a/src/generated/resources/assets/create/blockstates/fluid_pipe.json
+++ b/src/generated/resources/assets/create/blockstates/fluid_pipe.json
@@ -60,10 +60,10 @@
     },
     {
       "when": {
-        "up": "true",
         "down": "false",
-        "south": "false",
-        "north": "true"
+        "north": "true",
+        "up": "true",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lu_x"
@@ -71,10 +71,10 @@
     },
     {
       "when": {
-        "up": "true",
         "down": "false",
-        "south": "true",
-        "north": "false"
+        "north": "false",
+        "up": "true",
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ru_x"
@@ -82,10 +82,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "true",
-        "south": "false",
-        "north": "true"
+        "north": "true",
+        "up": "false",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ld_x"
@@ -93,10 +93,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "true",
-        "south": "true",
-        "north": "false"
+        "north": "false",
+        "up": "false",
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/rd_x"
@@ -104,21 +104,21 @@
     },
     {
       "when": {
-        "up": "true",
         "down": "true",
-        "south": "false",
-        "north": "false"
-      },
-      "apply": {
-        "model": "create:block/fluid_pipe/ud_x"
-      }
-    },
-    {
-      "when": {
+        "north": "false",
         "up": "true",
-        "down": "false",
-        "south": "false",
-        "north": "false"
+        "south": "false"
+      },
+      "apply": {
+        "model": "create:block/fluid_pipe/ud_x"
+      }
+    },
+    {
+      "when": {
+        "down": "false",
+        "north": "false",
+        "up": "true",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_x"
@@ -126,10 +126,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "true",
-        "south": "false",
-        "north": "false"
+        "north": "false",
+        "up": "false",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_x"
@@ -137,10 +137,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "false",
-        "south": "true",
-        "north": "true"
+        "north": "true",
+        "up": "false",
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_x"
@@ -148,10 +148,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "false",
-        "south": "false",
-        "north": "true"
+        "north": "true",
+        "up": "false",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_x"
@@ -159,10 +159,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "false",
-        "south": "true",
-        "north": "false"
+        "north": "false",
+        "up": "false",
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_x"
@@ -170,10 +170,10 @@
     },
     {
       "when": {
-        "up": "false",
         "down": "false",
-        "south": "false",
-        "north": "false"
+        "north": "false",
+        "up": "false",
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/none_x"
@@ -182,9 +182,9 @@
     {
       "when": {
         "west": "true",
-        "south": "true",
+        "east": "false",
         "north": "false",
-        "east": "false"
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lu_y"
@@ -193,9 +193,9 @@
     {
       "when": {
         "west": "false",
-        "south": "true",
+        "east": "true",
         "north": "false",
-        "east": "true"
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ru_y"
@@ -204,9 +204,9 @@
     {
       "when": {
         "west": "true",
-        "south": "false",
+        "east": "false",
         "north": "true",
-        "east": "false"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ld_y"
@@ -215,9 +215,9 @@
     {
       "when": {
         "west": "false",
-        "south": "false",
+        "east": "true",
         "north": "true",
-        "east": "true"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/rd_y"
@@ -226,9 +226,9 @@
     {
       "when": {
         "west": "false",
-        "south": "true",
+        "east": "false",
         "north": "true",
-        "east": "false"
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_y"
@@ -237,9 +237,9 @@
     {
       "when": {
         "west": "false",
-        "south": "true",
+        "east": "false",
         "north": "false",
-        "east": "false"
+        "south": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_y"
@@ -248,9 +248,9 @@
     {
       "when": {
         "west": "false",
-        "south": "false",
+        "east": "false",
         "north": "true",
-        "east": "false"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_y"
@@ -259,9 +259,9 @@
     {
       "when": {
         "west": "true",
-        "south": "false",
+        "east": "true",
         "north": "false",
-        "east": "true"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_y"
@@ -270,9 +270,9 @@
     {
       "when": {
         "west": "true",
-        "south": "false",
+        "east": "false",
         "north": "false",
-        "east": "false"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_y"
@@ -281,9 +281,9 @@
     {
       "when": {
         "west": "false",
-        "south": "false",
+        "east": "true",
         "north": "false",
-        "east": "true"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_y"
@@ -292,9 +292,9 @@
     {
       "when": {
         "west": "false",
-        "south": "false",
+        "east": "false",
         "north": "false",
-        "east": "false"
+        "south": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/none_y"
@@ -302,10 +302,10 @@
     },
     {
       "when": {
-        "up": "true",
         "west": "false",
         "down": "false",
-        "east": "true"
+        "east": "true",
+        "up": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lu_z"
@@ -313,10 +313,10 @@
     },
     {
       "when": {
-        "up": "true",
         "west": "true",
         "down": "false",
-        "east": "false"
+        "east": "false",
+        "up": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ru_z"
@@ -324,10 +324,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "false",
         "down": "true",
-        "east": "true"
+        "east": "true",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ld_z"
@@ -335,10 +335,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "true",
         "down": "true",
-        "east": "false"
+        "east": "false",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/rd_z"
@@ -346,10 +346,10 @@
     },
     {
       "when": {
-        "up": "true",
         "west": "false",
         "down": "true",
-        "east": "false"
+        "east": "false",
+        "up": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_z"
@@ -357,10 +357,10 @@
     },
     {
       "when": {
-        "up": "true",
         "west": "false",
         "down": "false",
-        "east": "false"
+        "east": "false",
+        "up": "true"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_z"
@@ -368,10 +368,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "false",
         "down": "true",
-        "east": "false"
+        "east": "false",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/ud_z"
@@ -379,10 +379,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "true",
         "down": "false",
-        "east": "true"
+        "east": "true",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_z"
@@ -390,10 +390,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "false",
         "down": "false",
-        "east": "true"
+        "east": "true",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_z"
@@ -401,10 +401,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "true",
         "down": "false",
-        "east": "false"
+        "east": "false",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/lr_z"
@@ -412,10 +412,10 @@
     },
     {
       "when": {
-        "up": "false",
         "west": "false",
         "down": "false",
-        "east": "false"
+        "east": "false",
+        "up": "false"
       },
       "apply": {
         "model": "create:block/fluid_pipe/none_z"
diff --git a/src/generated/resources/assets/create/blockstates/radial_chassis.json b/src/generated/resources/assets/create/blockstates/radial_chassis.json
index 04e5c08ae..9d00ea8b1 100644
--- a/src/generated/resources/assets/create/blockstates/radial_chassis.json
+++ b/src/generated/resources/assets/create/blockstates/radial_chassis.json
@@ -29,8 +29,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_south": "true"
+        "sticky_south": "true",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -39,8 +39,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_south": "true"
+        "sticky_south": "true",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky"
@@ -48,8 +48,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_south": "true"
+        "sticky_south": "true",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -59,8 +59,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_south": "false"
+        "sticky_south": "false",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -69,8 +69,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_south": "false"
+        "sticky_south": "false",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y"
@@ -78,8 +78,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_south": "false"
+        "sticky_south": "false",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -89,8 +89,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_west": "true"
+        "sticky_west": "true",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -99,8 +99,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_west": "true"
+        "sticky_west": "true",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky",
@@ -109,8 +109,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_west": "true"
+        "sticky_west": "true",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_z_sticky",
@@ -119,8 +119,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_west": "false"
+        "sticky_west": "false",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -129,8 +129,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_west": "false"
+        "sticky_west": "false",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y",
@@ -139,8 +139,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_west": "false"
+        "sticky_west": "false",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_z",
@@ -149,8 +149,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_north": "true"
+        "sticky_north": "true",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky"
@@ -158,8 +158,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_north": "true"
+        "sticky_north": "true",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky",
@@ -168,8 +168,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_north": "true"
+        "sticky_north": "true",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -178,8 +178,8 @@
     },
     {
       "when": {
-        "axis": "x",
-        "sticky_north": "false"
+        "sticky_north": "false",
+        "axis": "x"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x"
@@ -187,8 +187,8 @@
     },
     {
       "when": {
-        "axis": "y",
-        "sticky_north": "false"
+        "sticky_north": "false",
+        "axis": "y"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y",
@@ -197,8 +197,8 @@
     },
     {
       "when": {
-        "axis": "z",
-        "sticky_north": "false"
+        "sticky_north": "false",
+        "axis": "z"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
diff --git a/src/main/java/com/simibubi/create/AllTags.java b/src/main/java/com/simibubi/create/AllTags.java
index 204cbb330..16a692982 100644
--- a/src/main/java/com/simibubi/create/AllTags.java
+++ b/src/main/java/com/simibubi/create/AllTags.java
@@ -1,11 +1,9 @@
 package com.simibubi.create;
 
-import static com.simibubi.create.AllTags.NameSpace.FORGE;
-import static com.simibubi.create.AllTags.NameSpace.MOD;
-
 import java.util.function.Function;
 
 import com.simibubi.create.foundation.data.CreateRegistrate;
+import com.simibubi.create.foundation.utility.EmptyNamedTag;
 import com.simibubi.create.foundation.utility.Lang;
 import com.tterrag.registrate.builders.BlockBuilder;
 import com.tterrag.registrate.builders.ItemBuilder;
@@ -23,6 +21,9 @@ import net.minecraft.tags.BlockTags;
 import net.minecraft.tags.ITag;
 import net.minecraft.tags.ItemTags;
 import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.fml.ModList;
+
+import static com.simibubi.create.AllTags.NameSpace.*;
 
 public class AllTags {
 	private static final CreateRegistrate REGISTRATE = Create.registrate()
@@ -53,7 +54,7 @@ public class AllTags {
 
 	public static enum NameSpace {
 
-		MOD(Create.ID), FORGE("forge"), MC("minecraft")
+		MOD(Create.ID), FORGE("forge"), MC("minecraft"), TIC("tconstruct")
 
 		;
 		String id;
@@ -105,7 +106,7 @@ public class AllTags {
 	}
 
 	public static enum AllBlockTags {
-		WINDMILL_SAILS, FAN_HEATERS, WINDOWABLE, NON_MOVABLE, BRITTLE, SEATS, VALVE_HANDLES, FAN_TRANSPARENT
+		WINDMILL_SAILS, FAN_HEATERS, WINDOWABLE, NON_MOVABLE, BRITTLE, SEATS, VALVE_HANDLES, FAN_TRANSPARENT, SLIMY_LOGS(TIC)
 
 		;
 
@@ -120,9 +121,13 @@ public class AllTags {
 		}
 
 		private AllBlockTags(NameSpace namespace, String path) {
-			tag = BlockTags.makeWrapperTag(
-				new ResourceLocation(namespace.id, (path.isEmpty() ? "" : path + "/") + Lang.asId(name())).toString());
-			REGISTRATE.addDataGenerator(ProviderType.BLOCK_TAGS, prov -> prov.getOrCreateTagBuilder(tag));
+			ResourceLocation id = new ResourceLocation(namespace.id, (path.isEmpty() ? "" : path + "/") + Lang.asId(name()));
+			if (ModList.get().isLoaded(namespace.id)) {
+				tag = BlockTags.makeWrapperTag(id.toString());
+				REGISTRATE.addDataGenerator(ProviderType.BLOCK_TAGS, prov -> prov.getOrCreateTagBuilder(tag));
+			} else {
+				tag = new EmptyNamedTag<>(id);
+			}
 		}
 
 		public boolean matches(BlockState block) {
diff --git a/src/main/java/com/simibubi/create/content/curiosities/tools/DeforesterItem.java b/src/main/java/com/simibubi/create/content/curiosities/tools/DeforesterItem.java
index a178403d6..bcd657bd5 100644
--- a/src/main/java/com/simibubi/create/content/curiosities/tools/DeforesterItem.java
+++ b/src/main/java/com/simibubi/create/content/curiosities/tools/DeforesterItem.java
@@ -1,6 +1,7 @@
 package com.simibubi.create.content.curiosities.tools;
 
 import com.simibubi.create.AllItems;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.foundation.utility.BlockHelper;
 import com.simibubi.create.foundation.utility.TreeCutter;
 import com.simibubi.create.foundation.utility.TreeCutter.Tree;
@@ -32,7 +33,7 @@ public class DeforesterItem extends AxeItem {
 	// Moved away from Item#onBlockDestroyed as it does not get called in Creative
 	public static void destroyTree(ItemStack stack, IWorld iWorld, BlockState state, BlockPos pos,
 			PlayerEntity player) {
-		if (!state.isIn(BlockTags.LOGS) || player.isSneaking() || !(iWorld instanceof  World))
+		if (!(state.isIn(BlockTags.LOGS) || AllTags.AllBlockTags.SLIMY_LOGS.matches(state)) || player.isSneaking() || !(iWorld instanceof  World))
 			return;
 		World worldIn = (World) iWorld;
 		Tree tree = TreeCutter.cutTree(worldIn, pos);
diff --git a/src/main/java/com/simibubi/create/foundation/utility/EmptyNamedTag.java b/src/main/java/com/simibubi/create/foundation/utility/EmptyNamedTag.java
new file mode 100644
index 000000000..7d45d10ce
--- /dev/null
+++ b/src/main/java/com/simibubi/create/foundation/utility/EmptyNamedTag.java
@@ -0,0 +1,39 @@
+package com.simibubi.create.foundation.utility;
+
+import mcp.MethodsReturnNonnullByDefault;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.common.Tags;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+import java.util.Collections;
+import java.util.List;
+
+@ParametersAreNonnullByDefault
+@MethodsReturnNonnullByDefault
+public class EmptyNamedTag<T> implements Tags.IOptionalNamedTag<T> {
+	private final ResourceLocation id;
+
+	public EmptyNamedTag(ResourceLocation id) {
+		this.id = id;
+	}
+
+	@Override
+	public boolean isDefaulted() {
+		return false;
+	}
+
+	@Override
+	public ResourceLocation getId() {
+		return id;
+	}
+
+	@Override
+	public boolean contains(Object p_230235_1_) {
+		return false;
+	}
+
+	@Override
+	public List<T> values() {
+		return Collections.emptyList()	;
+	}
+}
diff --git a/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java b/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
index de338f851..a0f293dc6 100644
--- a/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
+++ b/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
@@ -9,6 +9,7 @@ import java.util.Set;
 
 import com.google.common.base.Predicates;
 
+import com.simibubi.create.AllTags;
 import net.minecraft.block.BambooBlock;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
@@ -204,7 +205,7 @@ public class TreeCutter {
 	}
 
 	private static boolean isLog(BlockState state) {
-		return state.isIn(BlockTags.LOGS);
+		return state.isIn(BlockTags.LOGS) || AllTags.AllBlockTags.SLIMY_LOGS.matches(state);
 	}
 
 	private static boolean isLeaf(BlockState state) {