diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index 4ea25c6..2aa188c 100755
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -18,24 +18,33 @@
 set ::env(DESIGN_NAME) user_proj_example
 
 set ::env(VERILOG_FILES) "\
-	$script_dir/../../caravel/verilog/rtl/defines.v \
+	$::env(CARAVEL_ROOT)/verilog/rtl/defines.v \
 	$script_dir/../../verilog/rtl/user_proj_example.v"
 
-set ::env(CLOCK_PORT) ""
+set ::env(DESIGN_IS_CORE) 0
+
+set ::env(CLOCK_PORT) "wb_clk_i"
 set ::env(CLOCK_NET) "counter.clk"
 set ::env(CLOCK_PERIOD) "10"
 
 set ::env(FP_SIZING) absolute
 set ::env(DIE_AREA) "0 0 900 600"
-set ::env(DESIGN_IS_CORE) 0
-
-set ::env(VDD_NETS) [list {vccd1} {vccd2} {vdda1} {vdda2}]
-set ::env(GND_NETS) [list {vssd1} {vssd2} {vssa1} {vssa2}]
 
 set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg
 
 set ::env(PL_BASIC_PLACEMENT) 1
 set ::env(PL_TARGET_DENSITY) 0.05
 
-# If you're going to use multiple power domains, then keep this disabled.
-set ::env(RUN_CVC) 0
+# Maximum layer used for routing is metal 4.
+# This is because this macro will be inserted in a top level (user_project_wrapper) 
+# where the PDN is planned on metal 5. So, to avoid having shorts between routes
+# in this macro and the top level metal 5 stripes, we have to restrict routes to metal4.  
+set ::env(GLB_RT_MAXLAYER) 5
+
+# You can draw more power domains if you need to 
+set ::env(VDD_NETS) [list {vccd1}]
+set ::env(GND_NETS) [list {vssd1}]
+
+set ::env(DIODE_INSERTION_STRATEGY) 4 
+# If you're going to use multiple power domains, then disable cvc run.
+set ::env(RUN_CVC) 1
diff --git a/openlane/user_proj_example/pin_order.cfg b/openlane/user_proj_example/pin_order.cfg
index 8128f78..2fda806 100644
--- a/openlane/user_proj_example/pin_order.cfg
+++ b/openlane/user_proj_example/pin_order.cfg
@@ -4,6 +4,7 @@
 wb_.*
 wbs_.*
 la_.*
+irq.*
 
 #N
 io_.*
diff --git a/openlane/user_project_wrapper/config.tcl b/openlane/user_project_wrapper/config.tcl
index 330cf57..c94b7a0 100755
--- a/openlane/user_project_wrapper/config.tcl
+++ b/openlane/user_project_wrapper/config.tcl
@@ -15,9 +15,14 @@
 
 # Base Configurations. Don't Touch
 # section begin
-set script_dir [file dirname [file normalize [info script]]]
 
-source $script_dir/../../caravel/openlane/user_project_wrapper_empty/fixed_wrapper_cfgs.tcl
+# YOU ARE NOT ALLOWED TO CHANGE ANY VARIABLES DEFINED IN THE FIXED WRAPPER CFGS 
+source $::env(CARAVEL_ROOT)/openlane/user_project_wrapper_empty/fixed_wrapper_cfgs.tcl
+
+# YOU CAN CHANGE ANY VARIABLES DEFINED IN THE DEFAULT WRAPPER CFGS BY OVERRIDING THEM IN THIS CONFIG.TCL
+source $::env(CARAVEL_ROOT)/openlane/user_project_wrapper_empty/default_wrapper_cfgs.tcl
+
+set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) user_project_wrapper
 #section end
@@ -26,7 +31,7 @@
 
 ## Source Verilog Files
 set ::env(VERILOG_FILES) "\
-	$script_dir/../../caravel/verilog/rtl/defines.v \
+	$::env(CARAVEL_ROOT)/verilog/rtl/defines.v \
 	$script_dir/../../verilog/rtl/user_project_wrapper.v"
 
 ## Clock configurations
@@ -36,12 +41,16 @@
 set ::env(CLOCK_PERIOD) "10"
 
 ## Internal Macros
+### Macro PDN Connections
+set ::env(FP_PDN_MACRO_HOOKS) "\
+	mprj vccd1 vssd1"
+
 ### Macro Placement
 set ::env(MACRO_PLACEMENT_CFG) $script_dir/macro.cfg
 
 ### Black-box verilog and views
 set ::env(VERILOG_FILES_BLACKBOX) "\
-	$script_dir/../../caravel/verilog/rtl/defines.v \
+	$::env(CARAVEL_ROOT)/verilog/rtl/defines.v \
 	$script_dir/../../verilog/rtl/user_proj_example.v"
 
 set ::env(EXTRA_LEFS) "\
@@ -52,6 +61,8 @@
 
 set ::env(GLB_RT_MAXLAYER) 5
 
+# disable pdn check nodes becuase it hangs with multiple power domains.
+# any issue with pdn connections will be flagged with LVS so it is not a critical check.
 set ::env(FP_PDN_CHECK_NODES) 0
 
 # The following is because there are no std cells in the example wrapper project.
@@ -63,6 +74,8 @@
 set ::env(PL_RESIZER_BUFFER_INPUT_PORTS) 0
 set ::env(PL_RESIZER_BUFFER_OUTPUT_PORTS) 0
 
+set ::env(FP_PDN_ENABLE_RAILS) 0
+
 set ::env(DIODE_INSERTION_STRATEGY) 0
 set ::env(FILL_INSERTION) 0
 set ::env(TAP_DECAP_INSERTION) 0
diff --git a/openlane/user_project_wrapper/pin_order.cfg b/openlane/user_project_wrapper/pin_order.cfg
index 267d91c..8797dcd 120000
--- a/openlane/user_project_wrapper/pin_order.cfg
+++ b/openlane/user_project_wrapper/pin_order.cfg
@@ -1 +1 @@
-../../caravel/openlane/user_project_wrapper_empty/pin_order.cfg
\ No newline at end of file
+../../../caravel/openlane/user_project_wrapper_empty/pin_order.cfg
\ No newline at end of file