diff --git a/usermods/mpu6050_imu/usermod_mpu6050_imu.h b/usermods/mpu6050_imu/usermod_mpu6050_imu.h
index d904fb5ed..7d6215436 100644
--- a/usermods/mpu6050_imu/usermod_mpu6050_imu.h
+++ b/usermods/mpu6050_imu/usermod_mpu6050_imu.h
@@ -71,11 +71,11 @@ class MPU6050Driver : public Usermod {
       int16_t accel_offset[3];
     };
     config_t config;
+    bool configDirty = true; // does the configuration need an update?
 
     // MPU control/status vars
     bool irqBound = false; // set true if we have bound the IRQ pin
     bool dmpReady = false;  // set true if DMP init was successful
-    uint8_t devStatus;      // return status after each device operation (0 = success, !0 = error)
     uint16_t packetSize;    // expected DMP packet size (default is 42 bytes)
     uint16_t fifoCount;     // count of all bytes currently in FIFO
     uint8_t fifoBuffer[64]; // FIFO storage buffer
@@ -141,7 +141,10 @@ class MPU6050Driver : public Usermod {
         um_data.u_type[8] = UMT_UINT32;
       }
 
+      configDirty = false;  // we have now accepted the current configuration, success or not
+      
       if (!config.enabled) return;
+      // TODO: notice if these have changed ??
       if (i2c_scl<0 || i2c_sda<0) { DEBUGUM_PRINTLN(F("MPU6050: I2C is no good."));  return; }
       // Check the interrupt pin
       if (config.interruptPin >= 0) {
@@ -166,7 +169,7 @@ class MPU6050Driver : public Usermod {
 
       // load and configure the DMP
       DEBUGUM_PRINTLN(F("Initializing DMP..."));
-      devStatus = mpu.dmpInitialize();
+      auto devStatus = mpu.dmpInitialize();
 
       // set offsets (from config)
       mpu.setXGyroOffset(config.gyro_offset[0]);
@@ -225,6 +228,8 @@ class MPU6050Driver : public Usermod {
      * loop() is called continuously. Here you can check for events, read sensors, etc.
      */
     void loop() {
+      if (configDirty) setup();
+
       // if programming failed, don't try to do anything
       if (!config.enabled || !dmpReady || strip.isUpdating()) return;
 
@@ -391,8 +396,8 @@ class MPU6050Driver : public Usermod {
           irqBound = false;
         }
 
-        // Just re-init
-        setup();
+        // Re-call setup on the next loop()
+        configDirty = true;
       }
 
       return configComplete;
diff --git a/wled00/data/index.js b/wled00/data/index.js
index 4e5a1eb0e..447bf03a6 100644
--- a/wled00/data/index.js
+++ b/wled00/data/index.js
@@ -1,7 +1,7 @@
 //page js
 var loc = false, locip, locproto = "http:";
 var isOn = false, nlA = false, isLv = false, isInfo = false, isNodes = false, syncSend = false/*, syncTglRecv = true*/;
-var hasWhite = false, hasRGB = false, hasCCT = false;
+var hasWhite = false, hasRGB = false, hasCCT = false, has2D = false;
 var nlDur = 60, nlTar = 0;
 var nlMode = false;
 var segLmax = 0; // size (in pixels) of largest selected segment
@@ -1339,7 +1339,7 @@ function updateSelectedFx()
 				if (ds.id>0) {
 					if (segLmax==0) fx.classList.add('hide'); // none of the segments selected (hide all effects)
 					else {
-						if ((segLmax==1 && (!opts[3] || opts[3].indexOf("0")<0)) || (!isM && opts[3] && ((opts[3].indexOf("2")>=0 && opts[3].indexOf("1")<0)))) fx.classList.add('hide');
+						if ((segLmax==1 && (!opts[3] || opts[3].indexOf("0")<0)) || (!has2D && opts[3] && ((opts[3].indexOf("2")>=0 && opts[3].indexOf("1")<0)))) fx.classList.add('hide');
 						else fx.classList.remove('hide');
 					}
 				}
@@ -1441,7 +1441,7 @@ function readState(s,command=false)
 	populateSegments(s);
 	var selc=0;
 	var sellvl=0; // 0: selc is invalid, 1: selc is mainseg, 2: selc is first selected
-	hasRGB = hasWhite = hasCCT = false;
+	hasRGB = hasWhite = hasCCT = has2D = false;
 	segLmax = 0;
 	for (let i = 0; i < (s.seg||[]).length; i++)
 	{
@@ -1452,20 +1452,23 @@ function readState(s,command=false)
 		if (s.seg[i].sel) {
 			if (sellvl < 2) selc = i; // get first selected segment
 			sellvl = 2;
-			var lc = lastinfo.leds.seglc[i];
+			let w  = (s.seg[i].stop - s.seg[i].start);
+			let h  = s.seg[i].stopY ? (s.seg[i].stopY - s.seg[i].startY) : 1;
+			let lc = lastinfo.leds.seglc[i];
 			hasRGB   |= !!(lc & 0x01);
 			hasWhite |= !!(lc & 0x02);
 			hasCCT   |= !!(lc & 0x04);
-			let sLen = (s.seg[i].stop - s.seg[i].start)*(s.seg[i].stopY?(s.seg[i].stopY - s.seg[i].startY):1);
-			segLmax = segLmax < sLen ? sLen : segLmax;
+			has2D    |= w > 1 && h > 1;
+			if (w*h > segLmax) segLmax = w*h;
 		}
 	}
 	var i=s.seg[selc];
 	if (sellvl == 1) {
-		var lc = lastinfo.leds.seglc[selc];
+		let lc = lastinfo.leds.seglc[selc];
 		hasRGB   = !!(lc & 0x01);
 		hasWhite = !!(lc & 0x02);
 		hasCCT   = !!(lc & 0x04);
+		has2D    = (i.stop - i.start) > 1 && (i.stopY ? (i.stopY - i.startY) : 1) > 1;
 	}
 	if (!i) {
 		showToast('No Segments!', true);