diff --git a/fuzzers/055-gnd/.gitignore b/fuzzers/055-gnd/.gitignore
index 145bd747..a747a2b4 100644
--- a/fuzzers/055-gnd/.gitignore
+++ b/fuzzers/055-gnd/.gitignore
@@ -1,14 +1,3 @@
-/filtered_seg_int_l.segbits
-/filtered_seg_int_r.segbits
-/pattern_l.txt
-/pattern_r.txt
-/piplist.dcp
-/piplist/
-/pips_int_l.txt
-/pips_int_r.txt
-/seg_int_l.segbits
-/seg_int_r.segbits
-/specimen_[0-9][0-9][0-9]/
-/todo.txt
-/vivado*
-/run.ok
+build
+run.ok
+todo
diff --git a/fuzzers/055-gnd/Makefile b/fuzzers/055-gnd/Makefile
index 1e6e6cf8..95d310eb 100644
--- a/fuzzers/055-gnd/Makefile
+++ b/fuzzers/055-gnd/Makefile
@@ -1,37 +1,47 @@
-
+ifeq ($(QUICK),Y)
+N := 1
+else
 N := 10
-SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
+endif
+
+SPECIMENS := $(addprefix build/specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
-	${XRAY_SEGMATCH} -m 5 -M 15 -o segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o build/segbits_int_l.db $(addsuffix /segdata_int_l.txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -m 5 -M 15 -o build/segbits_int_r.db $(addsuffix /segdata_int_r.txt,$(SPECIMENS))
+# May be undersolved
+ifneq ($(QUICK),Y)
+	${XRAY_DBFIXUP} --db-root build --clb-int
+endif
 
 pushdb:
-	${XRAY_DBFIXUP} --db-root . --clb-int
-	${XRAY_MERGEDB} int_l segbits_int_l.db
-	${XRAY_MERGEDB} int_r segbits_int_r.db
+	${XRAY_MERGEDB} int_l build/segbits_int_l.db
+	${XRAY_MERGEDB} int_r build/segbits_int_r.db
 
 $(SPECIMENS_OK): todo.txt
+	mkdir -p build
 	bash generate.sh $(subst /OK,,$@)
 	touch $@
 
 todo.txt:
-	echo "INT_L.GFAN0.GND_WIRE" >  todo.txt
-	echo "INT_L.GFAN1.GND_WIRE" >> todo.txt
-	echo "INT_R.GFAN0.GND_WIRE" >> todo.txt
-	echo "INT_R.GFAN1.GND_WIRE" >> todo.txt
+	mkdir -p build
+	echo "INT_L.GFAN0.GND_WIRE" >  build/todo.txt
+	echo "INT_L.GFAN1.GND_WIRE" >> build/todo.txt
+	echo "INT_R.GFAN0.GND_WIRE" >> build/todo.txt
+	echo "INT_R.GFAN1.GND_WIRE" >> build/todo.txt
 
 run:
 	$(MAKE) clean
 	$(MAKE) database
+# May be undersolved
+ifneq ($(QUICK),Y)
 	$(MAKE) pushdb
+endif
 	touch run.ok
 
 clean:
-	rm -rf .Xil/ .cache/ filtered_seg_int_[lr].db run.ok
-	rm -rf todo.txt vivado* pattern_[lr].txt pips_int_[lr].txt
-	rm -rf specimen_[0-9][0-9][0-9]/ segbits_int_[lr].db mask_clbl[lm]_[lr].segbits
+	rm -rf build OK
 
 .PHONY: database pushdb run clean
 
diff --git a/fuzzers/055-gnd/generate.sh b/fuzzers/055-gnd/generate.sh
index 9f904105..f42f840c 100644
--- a/fuzzers/055-gnd/generate.sh
+++ b/fuzzers/055-gnd/generate.sh
@@ -1,9 +1,5 @@
 #!/bin/bash
 
-source ${XRAY_GENHEADER}
-
-vivado -mode batch -source ../generate.tcl
-
-${XRAY_BITREAD} -F $XRAY_ROI_FRAMES -o design.bits -z -y design.bit
-python3 ../generate.py
+set -ex
+source ${XRAY_DIR}/utils/top_generate.sh
 
diff --git a/fuzzers/055-gnd/generate.tcl b/fuzzers/055-gnd/generate.tcl
index 80afe949..a0b1ee42 100644
--- a/fuzzers/055-gnd/generate.tcl
+++ b/fuzzers/055-gnd/generate.tcl
@@ -1,6 +1,8 @@
+source "$::env(XRAY_DIR)/utils/utils.tcl"
+
 create_project -force -part $::env(XRAY_PART) design design
 
-read_verilog ../top.v
+read_verilog $::env(FUZDIR)/top.v
 synth_design -top top
 
 set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports i]
@@ -19,8 +21,6 @@ route_design
 
 # write_checkpoint -force design.dcp
 
-source ../../../utils/utils.tcl
-
 set fp [open "../todo.txt" r]
 set todo_lines {}
 for {gets $fp line} {$line != ""} {gets $fp line} {