diff --git a/output_module/future_relics.py b/output_module/future_relics.py
new file mode 100644
index 0000000..72da7aa
--- /dev/null
+++ b/output_module/future_relics.py
@@ -0,0 +1,144 @@
+import re # libary to search and replace strings in the postscript file
+from dictionary import font_index
+from random import choice
+from generate_postscript import generate_postscript
+
+
+# function with three arguments
+def future_relics(previous_module, current_module, module):
+
+    shape = module[1]
+    rotation = module[2]
+    x = module[3]
+    y = module[4]
+    graytone = module[5]
+
+
+    spike = ['spike1', 'spike2', 'spike3']
+    bubble = ['bubble1', 'bubble2', 'bubble3']
+    square = ['square1', 'square2', 'square3']
+    fraction = ['fraction1', 'fraction2', 'fraction3']
+
+    text = ""
+    font = ""
+    fontsize = ""
+    linewidth = ""
+
+
+    if shape == "spike":
+        form = choice(spike)
+        if form == 'spike1':
+            text = "f/yk"
+            font = "Helvetica-BoldOblique"
+            fontsize = "60"
+            linewidth = "100"
+        elif form == 'spike2':
+            text = "f/yk"
+            font = "Helvetica-BoldOblique"
+            fontsize = "30"
+            linewidth = "100"
+        elif form == 'spike3':
+            text = "xxx"
+            font = "Helvetica-BoldOblique"
+            fontsize = "100"
+            linewidth = "100"
+
+    elif shape == "bubble":
+        form = choice(bubble)
+        if form == 'bubble1':
+            text = "gooo"
+            font = "Courier"
+            fontsize = "160"
+            linewidth = "80"
+        elif form == 'bubble2':
+            text = "dP"
+            font = "Courier"
+            fontsize = "160"
+            linewidth = "80"
+        elif form == 'bubble3':
+            text = "oOgOö"
+            font = "Courier"
+            fontsize = "250"
+            linewidth = "80"
+
+    elif shape == "square":
+        form = choice(square)
+        if form == 'square1':
+            text = "FRICTION"
+            font = "Helvetica-BoldOblique"
+            fontsize = "2"
+            linewidth = "300"
+        elif form == 'square2':
+            text = "LLL"
+            font = "Helvetica-BoldOblique"
+            fontsize = "100"
+            linewidth = "300"
+        elif form == 'square3':
+            text = "|||"
+            font = "Courier"
+            fontsize = "100"
+            linewidth = "200"
+
+    elif shape == "fraction":
+        form = choice(fraction)
+        if form == 'fraction1':
+            text = "3ß"
+            font = "Courier"
+            fontsize = "100"
+            linewidth = "600"
+        elif form == 'fraction2':
+            text = "%?"
+            font = "Courier"
+            fontsize = "100"
+            linewidth = "200"
+        elif form == 'fraction3':
+            text = "WM"
+            font = "Courier"
+            fontsize = "100"
+            linewidth = "200"
+
+
+
+    script = """
+
+newpath
+% FUTURE RELICS
+
+/"""+font+"""
+% fontname
+
+"""+fontsize+""" selectfont
+% fontsize in points, establishes the font as the current one
+
+"""+x+""" """+y+""" moveto
+% x and y coordinates in px (origin is the lower-left corner of the page)
+
+"""+rotation+""" rotate
+% degree of rotation, counter clockwise around the given position
+
+("""+text+""") true charpath
+% normally text works with "show", but to use the characters in the string as a path that can be stroked and filled use "true charpath"
+
+gsave
+% save the current path to apply stroke first and then go back to the saved path to apply fill (Both drawing commands destroy the current path)
+
+"""+linewidth+""" setlinewidth
+% linewidth for the outline of the text
+
+"""+graytone+""" setgray
+% graytone for the outline (0 = black, 1 = white)
+
+stroke
+% stroke (outline) the text in parentheses
+
+-"""+rotation+""" rotate
+% set rotation back to zero
+
+showpage
+% print all on a page
+"""
+
+
+
+
+    generate_postscript(previous_module, current_module, script) # call function
diff --git a/output_module/generate_postscript.py b/output_module/generate_postscript.py
new file mode 100644
index 0000000..466a834
--- /dev/null
+++ b/output_module/generate_postscript.py
@@ -0,0 +1,42 @@
+import re # libary to search and replace strings in the postscript file
+import os
+
+def generate_postscript(previous_module, current_module, script):
+
+
+    if previous_module == "" or previous_module == "dynamic_glyph":
+        print("use empty.ps and write to current_module.ps")
+        #input file
+        fileInput = open("empty.ps", "rt") # rt = read text mode
+        #output file to write the result to
+        fileOutput = open(current_module + ".ps", "wt") # wt = write text mode
+
+        # read the input file, search for a patterns, replace it with new patterns (that take the values from the input sensor)
+        # uses regular expressions library (re)
+        content = fileInput.read()
+        content = re.sub(r"% empty file\n\nshowpage\n% print all on a page", (script), content)
+
+        # write the new text to the output file
+        fileOutput.write(content)
+        #close input and output files
+        fileInput.close()
+        fileOutput.close()
+#        time.sleep(5)
+
+    else:
+        print("use previous_module.ps and write to current_module.ps")
+        #input file
+        fileInput = open(previous_module + ".ps", "rt") # a+ = read text mode and write (append) to end of file
+        fileOutput = open(current_module + ".ps",  "wt") # wt = write text mode
+
+        # read the input file, search for a patterns, replace it with new patterns (that take the values from the input sensor)
+        # uses regular expressions library (re)
+        content = fileInput.read()
+        content = re.sub(r"showpage\n% print all on a page", (script), content)
+
+        # write the new text to the output file
+        fileOutput.write(content)
+        #close input and output files
+        fileInput.close()
+        fileOutput.close()
+#        time.sleep(5)
diff --git a/output_module/preview_button.py b/output_module/preview_button.py
new file mode 100644
index 0000000..9fde089
--- /dev/null
+++ b/output_module/preview_button.py
@@ -0,0 +1,19 @@
+# button setup (connect to GND and board Pin 19)
+import RPi.GPIO as GPIO # GPIO pins
+#import time
+
+
+def preview_button():
+
+    GPIO.setmode(GPIO.BOARD) #Use the physical board number (not GPIO numbering)
+    GPIO.setup(19, GPIO.IN, pull_up_down=GPIO.PUD_UP) #Change pin if necessary #preview button
+    GPIO.setwarnings(False) #Ignore warnings
+
+    preview_button_pressed = False
+
+    if GPIO.input(19) == GPIO.LOW:
+        #time.sleep(1)
+        preview_button_pressed = True
+        GPIO.cleanup() #GPIO clean up
+
+    return preview_button_pressed
diff --git a/output_module/print_button.py b/output_module/print_button.py
new file mode 100644
index 0000000..9f80f27
--- /dev/null
+++ b/output_module/print_button.py
@@ -0,0 +1,19 @@
+# button setup (connect to GND and board Pin 21)
+import RPi.GPIO as GPIO # GPIO pins
+#import time
+
+
+def print_button():
+
+    GPIO.setmode(GPIO.BOARD) #Use the physical board number (not GPIO numbering)
+    GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_UP) #Change pin if necessary #print button
+    GPIO.setwarnings(False) #Ignore warnings
+
+    print_button_pressed = False
+
+    if GPIO.input(21) == GPIO.LOW:
+        #time.sleep(1)
+        print_button_pressed = True
+        GPIO.cleanup() #GPIO clean up
+
+    return print_button_pressed
diff --git a/output_module/print_or_preview.py b/output_module/print_or_preview.py
new file mode 100644
index 0000000..785fd99
--- /dev/null
+++ b/output_module/print_or_preview.py
@@ -0,0 +1,56 @@
+import time
+import os # library to use bash commands
+import keyboard
+
+
+
+
+def preview_output(preview_button_count, last_module):
+
+    #open last_module.ps, read its content and save it as print.ps
+    fileInput = open(last_module +  ".ps", "rt") # rt = read text mode
+    #output file to write the result to
+    fileOutput = open("print.ps", "wt") # wt = write text mode
+
+    # read the input file, search for a patterns, replace it with new patterns (that take the values from the input sensor)
+    # uses regular expressions library (re)
+    content = fileInput.read()
+
+    # write the new text to the output file
+    fileOutput.write(content)
+    #close input and output files
+    fileInput.close()
+    fileOutput.close()
+
+    #on first button press: open preview
+    if preview_button_count == 1:
+        print("start preview of print.ps")
+        os.system("gv -fullscreen print.ps &") # open file in ghostscript viewer in fullscreen mode
+
+    #on additional button press: refresh preview
+    elif preview_button_count >= 2:
+        print("refresh preview of print.ps")
+        keyboard.send(".") # refresh file that is open in ghostscript viewer
+
+
+
+def print_output(last_module):
+
+    #open last_module.ps, read its content and save it as print.ps
+    fileInput = open(last_module +  ".ps", "rt") # rt = read text mode
+    #output file to write the result to
+    fileOutput = open("print.ps", "wt") # wt = write text mode
+
+    # read the input file, search for a patterns, replace it with new patterns (that take the values from the input sensor)
+    # uses regular expressions library (re)
+    content = fileInput.read()
+
+    # write the new text to the output file
+    fileOutput.write(content)
+    #close input and output files
+    fileInput.close()
+    fileOutput.close()
+
+    #on button press: send to printer
+    print("send print.ps to printer")
+    os.system("lp print.ps") # lp is the bash print command