diff --git a/frontend/src/app/features/calculator/components/upload-form/upload-form.component.ts b/frontend/src/app/features/calculator/components/upload-form/upload-form.component.ts
index aa1a2f2..ed01dd0 100644
--- a/frontend/src/app/features/calculator/components/upload-form/upload-form.component.ts
+++ b/frontend/src/app/features/calculator/components/upload-form/upload-form.component.ts
@@ -1,4 +1,4 @@
-import { Component, input, output, signal, effect, OnInit, inject } from '@angular/core';
+import { Component, input, output, signal, OnInit, inject } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { ReactiveFormsModule, FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { TranslateModule } from '@ngx-translate/core';
@@ -51,6 +51,7 @@ export class UploadFormComponent implements OnInit {
 
   // Store full material options to lookup variants/colors if needed later
   private fullMaterialOptions: MaterialOption[] = [];
+  private isPatchingSettings = false;
 
   // Computed variants for valid material
   currentMaterialVariants = signal<VariantOption[]>([]);
@@ -121,6 +122,25 @@ export class UploadFormComponent implements OnInit {
     this.form.get('material')?.valueChanges.subscribe(() => {
         this.updateVariants();
     });
+
+    this.form.get('quality')?.valueChanges.subscribe((quality) => {
+        if (this.mode() !== 'easy' || this.isPatchingSettings) return;
+        this.applyAdvancedPresetFromQuality(quality);
+    });
+  }
+
+  private applyAdvancedPresetFromQuality(quality: string | null | undefined) {
+      const normalized = (quality || 'standard').toLowerCase();
+
+      const presets: Record<string, { nozzleDiameter: number; layerHeight: number; infillDensity: number; infillPattern: string }> = {
+          standard: { nozzleDiameter: 0.4, layerHeight: 0.2, infillDensity: 15, infillPattern: 'grid' },
+          extra_fine: { nozzleDiameter: 0.4, layerHeight: 0.12, infillDensity: 20, infillPattern: 'grid' },
+          high: { nozzleDiameter: 0.4, layerHeight: 0.12, infillDensity: 20, infillPattern: 'grid' }, // Legacy alias
+          draft: { nozzleDiameter: 0.4, layerHeight: 0.24, infillDensity: 12, infillPattern: 'grid' }
+      };
+
+      const preset = presets[normalized] || presets['standard'];
+      this.form.patchValue(preset, { emitEvent: false });
   }
 
   ngOnInit() {
@@ -318,8 +338,8 @@ export class UploadFormComponent implements OnInit {
 
       // Let's try to reverse map or defaults.
       if (settings.layerHeightMm) {
-          if (settings.layerHeightMm >= 0.28) patch.quality = 'draft';
-          else if (settings.layerHeightMm <= 0.12) patch.quality = 'high';
+          if (settings.layerHeightMm >= 0.24) patch.quality = 'draft';
+          else if (settings.layerHeightMm <= 0.12) patch.quality = 'extra_fine';
           else patch.quality = 'standard';
 
           patch.layerHeight = settings.layerHeightMm;
@@ -331,7 +351,9 @@ export class UploadFormComponent implements OnInit {
       if (settings.supportsEnabled !== undefined) patch.supportEnabled = settings.supportsEnabled;
       if (settings.notes) patch.notes = settings.notes;
 
-      this.form.patchValue(patch);
+      this.isPatchingSettings = true;
+      this.form.patchValue(patch, { emitEvent: false });
+      this.isPatchingSettings = false;
   }
 
   onSubmit() {
diff --git a/frontend/src/app/features/calculator/services/quote-estimator.service.ts b/frontend/src/app/features/calculator/services/quote-estimator.service.ts
index f2f7a9c..caeeaeb 100644
--- a/frontend/src/app/features/calculator/services/quote-estimator.service.ts
+++ b/frontend/src/app/features/calculator/services/quote-estimator.service.ts
@@ -109,6 +109,45 @@ export interface SimpleOption {
 })
 export class QuoteEstimatorService {
   private http = inject(HttpClient);
+
+  private buildEasyModePreset(quality: string | undefined): {
+      quality: string;
+      layerHeight: number;
+      infillDensity: number;
+      infillPattern: string;
+      nozzleDiameter: number;
+  } {
+      const normalized = (quality || 'standard').toLowerCase();
+
+      // Legacy alias support.
+      if (normalized === 'high' || normalized === 'extra_fine') {
+          return {
+              quality: 'extra_fine',
+              layerHeight: 0.12,
+              infillDensity: 20,
+              infillPattern: 'grid',
+              nozzleDiameter: 0.4
+          };
+      }
+
+      if (normalized === 'draft') {
+          return {
+              quality: 'extra_fine',
+              layerHeight: 0.24,
+              infillDensity: 12,
+              infillPattern: 'grid',
+              nozzleDiameter: 0.4
+          };
+      }
+
+      return {
+          quality: 'standard',
+          layerHeight: 0.2,
+          infillDensity: 15,
+          infillPattern: 'grid',
+          nozzleDiameter: 0.4
+      };
+  }
   
   getOptions(): Observable<OptionsResponse> {
       console.log('QuoteEstimatorService: Requesting options...');
@@ -223,20 +262,24 @@ export class QuoteEstimatorService {
                 request.items.forEach((item, index) => {
                      const formData = new FormData();
                      formData.append('file', item.file);
+
+                     const easyPreset = request.mode === 'easy'
+                         ? this.buildEasyModePreset(request.quality)
+                         : null;
                      
                      const settings = {
-                         complexityMode: request.mode.toUpperCase(),
+                         complexityMode: request.mode === 'easy' ? 'ADVANCED' : request.mode.toUpperCase(),
                          material: request.material,
-                         quality: request.quality,
+                         quality: easyPreset ? easyPreset.quality : request.quality,
                          supportsEnabled: request.supportEnabled,
                          color: item.color || '#FFFFFF',
                          boundingBoxX: item.dimensions?.x,
                          boundingBoxY: item.dimensions?.y,
                          boundingBoxZ: item.dimensions?.z,
-                         layerHeight: request.mode === 'advanced' ? request.layerHeight : null,
-                         infillDensity: request.mode === 'advanced' ? request.infillDensity : null,
-                         infillPattern: request.mode === 'advanced' ? request.infillPattern : null,
-                         nozzleDiameter: request.mode === 'advanced' ? request.nozzleDiameter : null
+                         layerHeight: easyPreset ? easyPreset.layerHeight : request.layerHeight,
+                         infillDensity: easyPreset ? easyPreset.infillDensity : request.infillDensity,
+                         infillPattern: easyPreset ? easyPreset.infillPattern : request.infillPattern,
+                         nozzleDiameter: easyPreset ? easyPreset.nozzleDiameter : request.nozzleDiameter
                      };
         
                      const settingsBlob = new Blob([JSON.stringify(settings)], { type: 'application/json' });