diff --git a/scripts/makeimage.py b/scripts/makeimage.py
new file mode 100755
index 0000000..b291d75
--- /dev/null
+++ b/scripts/makeimage.py
@@ -0,0 +1,33 @@
+#!/usr/bin/python
+import sys
+
+OFFSET_BOOTLOADER = 0x1000
+OFFSET_PARTITIONS = 0x8000
+OFFSET_BOOTAPP0 = 0xE000
+OFFSET_APPLICATION = 0x10000
+OFFSET_SPIFFS = 0x291000
+
+esp32tools = sys.argv[1]
+file_in = sys.argv[2]
+file_out = sys.argv[3]
+
+files_in = [
+    ('bootloader', OFFSET_BOOTLOADER, esp32tools+"/sdk/bin/bootloader_dio_80m.bin"),
+    ('partitions', OFFSET_PARTITIONS, esp32tools+"/partitions/default.bin"),
+    ('bootapp0', OFFSET_BOOTAPP0, esp32tools+"/partitions/boot_app0.bin"),
+    ('application', OFFSET_APPLICATION, file_in),
+    ('spiffs', OFFSET_SPIFFS, "/dev/null"),
+]
+
+cur_offset = OFFSET_BOOTLOADER
+with open(file_out, 'wb') as fout:
+    for name, offset, file_in in files_in:
+        assert offset >= cur_offset
+        fout.write(b'\xff' * (offset - cur_offset))
+        cur_offset = offset
+        with open(file_in, 'rb') as fin:
+            data = fin.read()
+            fout.write(data)
+            cur_offset += len(data)
+            print('%-12s% 8d' % (name, len(data))) 
+    print('%-12s% 8d' % ('total', cur_offset))