diff --git a/tools/makect.sh b/tools/makect.sh
new file mode 100644
index 0000000..083279b
--- /dev/null
+++ b/tools/makect.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# <input.tiff> <output.tiff>
+# crop x y w h
+# bv white value
+# t number of threads
+# f = 360° turn
+BACKGROUND=60000
+GAIN=2.2
+THREADS=4
+fbp64 -e 0 -c 100 100 824 824 -m 20 -g $GAIN -G 1 -bv $BACKGROUND \
+      -f -a -t $THREADS \
+      -o $2 \
+      $1