diff --git a/app/Models/StickerMappingMaster.php b/app/Models/StickerMappingMaster.php
new file mode 100644
index 0000000..68340e8
--- /dev/null
+++ b/app/Models/StickerMappingMaster.php
@@ -0,0 +1,143 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class StickerMappingMaster extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        'plant_id',
+        'item_characteristic_id',
+
+        'sticker_structure1_id',
+        'sticker1_machine_id',
+        'sticker1_print_ip',
+        'sticker_structure2_id',
+        'sticker2_machine_id',
+        'sticker2_print_ip',
+        'sticker_structure3_id',
+        'sticker3_machine_id',
+        'sticker3_print_ip',
+        'sticker_structure4_id',
+        'sticker4_machine_id',
+        'sticker4_print_ip',
+        'sticker_structure5_id',
+        'sticker5_machine_id',
+        'sticker5_print_ip',
+        'sticker_structure7_id',
+        'sticker6_machine_id',
+        'sticker6_print_ip',
+        'sticker_structure7_id',
+        'sticker7_machine_id',
+        'sticker7_print_ip',
+        'sticker_structure8_id',
+        'sticker8_machine_id',
+        'sticker8_print_ip',
+
+        'created_at',
+        'updated_at',
+        'created_by',
+        'updated_by',
+    ];
+
+    public function plant()
+    {
+        return $this->belongsTo(Plant::class);
+    }
+
+    public function itemCharacteristic()
+    {
+        return $this->belongsTo(ItemCharacteristic::class);
+    }
+
+    public function item(): BelongsTo
+    {
+        return $this->belongsTo(Item::class, 'item_id');
+    }
+
+     public function sticker1Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure1_id');
+    }
+
+    public function sticker2Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure2_id');
+    }
+
+    public function sticker3Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure3_id');
+    }
+
+    public function sticker4Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure4_id');
+    }
+
+    public function sticker5Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure5_id');
+    }
+
+    public function sticker6Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure6_id');
+    }
+
+    public function sticker7Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure7_id');
+    }
+
+    public function sticker8Structure()
+    {
+        return $this->belongsTo(StickerStructureDetail::class, 'sticker_structure8_id');
+    }
+
+    // Machine relationships (per sticker)
+    public function sticker1Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker1_machine_id');
+    }
+
+    public function sticker2Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker2_machine_id');
+    }
+
+    public function sticker3Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker3_machine_id');
+    }
+
+    public function sticker4Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker4_machine_id');
+    }
+
+    public function sticker5Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker5_machine_id');
+    }
+
+    public function sticker6Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker6_machine_id');
+    }
+
+    public function sticker7Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker7_machine_id');
+    }
+
+    public function sticker8Machine()
+    {
+        return $this->belongsTo(Machine::class, 'sticker8_machine_id');
+    }
+}