Added image with 3d printed case, printer files and updated README.md

README.md

@@ -3,7 +3,9 @@
 This repository contains code to scan the official COVID19 Exposure API with an ESP32 using Bluetooth LE and shows a counter on an SSD1306 OLED display.
 
 
-![Device](img/esp32_scanner.jpg)
+![Device Image](img/esp32_scanner.jpg)
+
+![Device Image with case](img/esp32_scanner_case.jpg)
 
 Code is based on [BLE Exposure Notification Beeper](https://github.com/kmetz/BLEExposureNotificationBeeper) which uses an LED and a piezo buzzer to notify about new detected devices but would not show the device count so I added the display part to it. You can still use the LED/Buzzer because this part is not touched in the code. In case you want to do so use this wiring:
 
@@ -32,7 +34,9 @@ This ESP32 model uses these internal I²C and pins for the SSD1306 display:
 You can also use a separate SSD1306 but keep in mind to adjust the I²C adress and the pins in the code.
 
 ## 3D printed case
-I recommend [this](https://www.thingiverse.com/thing:3821633) case from Thingiverse.
+I recommend [this](https://www.thingiverse.com/thing:3821633) case from Thingiverse. You can see it in the second image above.
+
+In case you have an Anycubic i3 Mega at home you can use the sliced gcode file in the `case/` folder. The file contains the top and bottom part andwas sliced with Cura with highest printing accuracy. It will take approx. 3h to print.
 
 ## Used Libraries
 + [ESP8266-oled-ssd1306 by ThingPulse](https://github.com/ThingPulse/esp8266-oled-ssd1306)