diff --git a/maglef/.gitignore b/maglef/.gitignore
new file mode 100644
index 0000000..a9a5aec
--- /dev/null
+++ b/maglef/.gitignore
@@ -0,0 +1 @@
+tmp
diff --git a/maglef/gpio_control_block.mag b/maglef/gpio_control_block.mag
index aa72416..da89c8c 100644
--- a/maglef/gpio_control_block.mag
+++ b/maglef/gpio_control_block.mag
@@ -189,4 +189,7 @@
 string LEFclass BLOCK
 string FIXED_BBOX 0 0 34000 14000
 string LEFview TRUE
+string GDS_FILE ../gds/gpio_control_block.gds
+string GDS_END 339438
+string GDS_START 146164
 << end >>
diff --git a/maglef/mgmt_protect.mag b/maglef/mgmt_protect.mag
index 8e4cd3e..e8674d9 100644
--- a/maglef/mgmt_protect.mag
+++ b/maglef/mgmt_protect.mag
@@ -7525,4 +7525,7 @@
 string LEFclass BLOCK
 string FIXED_BBOX 0 0 200000 18000
 string LEFview TRUE
+string GDS_FILE ../gds/mgmt_protect.gds
+string GDS_END 5946662
+string GDS_START 643340
 << end >>
diff --git a/maglef/mgmt_protect_hv.mag b/maglef/mgmt_protect_hv.mag
index 9a02cef..57e32ab 100644
--- a/maglef/mgmt_protect_hv.mag
+++ b/maglef/mgmt_protect_hv.mag
@@ -98,4 +98,7 @@
 string LEFclass BLOCK
 string FIXED_BBOX 0 0 30000 4000
 string LEFview TRUE
+string GDS_FILE ../gds/mgmt_protect_hv.gds
+string GDS_END 64368
+string GDS_START 42692
 << end >>
diff --git a/maglef/mprj2_logic_high.mag b/maglef/mprj2_logic_high.mag
index d6743e6..98c37eb 100644
--- a/maglef/mprj2_logic_high.mag
+++ b/maglef/mprj2_logic_high.mag
@@ -36,4 +36,7 @@
 string LEFclass BLOCK
 string FIXED_BBOX 0 0 24000 3000
 string LEFview TRUE
+string GDS_FILE ../gds/mprj2_logic_high.gds
+string GDS_END 32228
+string GDS_START 21420
 << end >>
diff --git a/maglef/mprj_logic_high.mag b/maglef/mprj_logic_high.mag
index 55d5387..ff7c88e 100644
--- a/maglef/mprj_logic_high.mag
+++ b/maglef/mprj_logic_high.mag
@@ -1889,4 +1889,7 @@
 string LEFclass BLOCK
 string FIXED_BBOX 0 0 60000 4600
 string LEFview TRUE
+string GDS_FILE ../gds/mprj_logic_high.gds
+string GDS_END 524106
+string GDS_START 24116
 << end >>
diff --git a/maglef/user_project_wrapper.mag b/maglef/user_project_wrapper.mag
index 6185d26..30b0d8e 100644
--- a/maglef/user_project_wrapper.mag
+++ b/maglef/user_project_wrapper.mag
@@ -12289,4 +12289,7 @@
 port 1239 nsew default input
 << properties >>
 string FIXED_BBOX 0 0 292000 352000
+string GDS_FILE ../gds/user_project_wrapper_empty.gds
+string GDS_END 370014
+string GDS_START 130
 << end >>