diff --git a/app.js b/app.js
index 11d29ed..518095f 100644
--- a/app.js
+++ b/app.js
@@ -11,7 +11,8 @@ document.addEventListener('DOMContentLoaded', async () => {
         activeVariant: 'A',
         bakedData: {}, // Cache for standalone persistence
         ownerMapping: null, // { firstName: '', lastName: '' }
-        ownerStatuses: {}  // { "Name Vorname": "status" }
+        ownerStatuses: {},  // { "Name Vorname": "status" }
+        showAuxiliary: true
     };
 
     // Removed fetch for config to prevent CORS errors on file:// protocol
@@ -319,7 +320,7 @@ document.addEventListener('DOMContentLoaded', async () => {
         const turbine = {
             id: `WEA_${Date.now()}`,
             nr: weaNr,
-            variant: state.activeVariant,
+            variant: overrideData?.variant || state.activeVariant,
             type, rd, hh, fr, latlng,
             ksfAngle, ksfMirrored,
             totalHeight: geoms.totalHeight,
@@ -370,7 +371,9 @@ document.addEventListener('DOMContentLoaded', async () => {
 
         Object.entries(turbine.layers).forEach(([name, layer]) => {
             if (name !== 'rotationHandle') {
-                variantLayers[state.activeVariant].addLayer(layer);
+                if (name === 'marker' || state.showAuxiliary) {
+                    variantLayers[turbine.variant].addLayer(layer);
+                }
             }
         });
 
@@ -527,6 +530,25 @@ document.addEventListener('DOMContentLoaded', async () => {
         });
     });
 
+    // Hilfsgeometrien Toggle
+    const checkShowAux = document.getElementById('checkShowAux');
+    if (checkShowAux) {
+        checkShowAux.onchange = () => {
+            state.showAuxiliary = checkShowAux.checked;
+            state.turbines.forEach(t => {
+                Object.entries(t.layers).forEach(([name, layer]) => {
+                    if (name !== 'marker' && name !== 'rotationHandle') {
+                        if (state.showAuxiliary) {
+                            variantLayers[t.variant].addLayer(layer);
+                        } else {
+                            variantLayers[t.variant].removeLayer(layer);
+                        }
+                    }
+                });
+            });
+        };
+    }
+
     // Simplified Measurement Tool
     let measureLayer = null;
     let measurePoints = [];
@@ -1497,7 +1519,8 @@ document.addEventListener('DOMContentLoaded', async () => {
                             type: t.type,
                             rd: t.rd,
                             hh: t.hh,
-                            ksfAngle: t.ksfangle ?? t.ksfAngle ?? 0
+                            ksfAngle: t.ksfangle ?? t.ksfAngle ?? 0,
+                            variant: t.variant
                         });
                     });
                     statusEl.innerText = `${dbTurbines.length} WEAs aus Datenbank geladen.`;
diff --git a/index.html b/index.html
index 8954b59..2c045fc 100644
--- a/index.html
+++ b/index.html
@@ -35,6 +35,11 @@
                     <div class="variant-tab" data-variant="B">Var B</div>
                     <div class="variant-tab" data-variant="C">Var C</div>
                 </div>
+                <div style="margin-top: 12px; padding: 0 5px;">
+                    <label style="cursor: pointer; display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-dim);">
+                        <input type="checkbox" id="checkShowAux" checked> Hilfsgeometrien anzeigen
+                    </label>
+                </div>
             </div>
 
             <div class="section">
diff --git a/server.js b/server.js
index e1e6faa..c74ec1c 100644
--- a/server.js
+++ b/server.js
@@ -75,9 +75,9 @@ app.post('/api/wea', async (req, res) => {
                 log(`Füge WEA ein: Nr=${t.nr}, Typ=${t.type}, Pos=${t.latlng?.lat},${t.latlng?.lng}`);
                 await client.query(
                     `INSERT INTO ${schema}.wea_standorte 
-                    (projekt_id, wea_nummer, anlagentyp, nabenhoehe, rotordurchmesser, ksf_drehung, geom) 
-                    VALUES ($1, $2, $3, $4, $5, $6, ST_Transform(ST_SetSRID(ST_MakePoint($7, $8), 4326), 25832))`,
-                    [targetProject, t.nr, t.type, t.hh, t.rd, t.ksfAngle, t.latlng.lng, t.latlng.lat]
+                    (projekt_id, wea_nummer, anlagentyp, nabenhoehe, rotordurchmesser, ksf_drehung, variante, geom) 
+                    VALUES ($1, $2, $3, $4, $5, $6, $7, ST_Transform(ST_SetSRID(ST_MakePoint($8, $9), 4326), 25832))`,
+                    [targetProject, t.nr, t.type, t.hh, t.rd, t.ksfAngle, t.variant, t.latlng.lng, t.latlng.lat]
                 );
             }
         }
@@ -100,7 +100,7 @@ app.get('/api/wea/:projekt_id', async (req, res) => {
     log(`Lade WEAs für Projekt: ${projekt_id}`);
     try {
         const result = await pool.query(
-            `SELECT wea_nummer as nr, anlagentyp as type, nabenhoehe as hh, rotordurchmesser as rd, ksf_drehung as ksfAngle,
+            `SELECT wea_nummer as nr, anlagentyp as type, nabenhoehe as hh, rotordurchmesser as rd, ksf_drehung as ksfAngle, variante as variant,
                     ST_X(ST_Transform(geom, 4326)) as lng, ST_Y(ST_Transform(geom, 4326)) as lat
              FROM geodaten.wea_standorte WHERE projekt_id = $1`,
             [projekt_id]