diff --git a/gitignores/.gitignore_gowin b/gitignores/.gitignore_gowin
new file mode 100755
index 0000000..f477cea
--- /dev/null
+++ b/gitignores/.gitignore_gowin
@@ -0,0 +1,21 @@
+#------------------------------------------------------------------------------
+# .gitignore for Gowin IDE
+# Konstantin Pavlov, pavlovconst@gmail.com
+#------------------------------------------------------------------------------
+
+# INFO ------------------------------------------------------------------------
+# rename the file to ".gitignore" and place into your Gowin project directory
+#
+
+
+# junk files
+*.gprj.user
+impl/gwsynthesis/*.html
+impl/gwsynthesis/*.xml
+impl/gwsynthesis/*.log
+impl/gwsynthesis/*.vg
+
+# junk directories
+/impl/pnr
+/impl/temp
+
diff --git a/gitignores/.gitignore_modelsim b/gitignores/.gitignore_modelsim
index d405d80..e46f3db 100755
--- a/gitignores/.gitignore_modelsim
+++ b/gitignores/.gitignore_modelsim
@@ -1,5 +1,6 @@
 #------------------------------------------------------------------------------
 # .gitignore for Mentor Modelsim
+# published as part of https://github.com/pConst/basic_verilog
 # Konstantin Pavlov, pavlovconst@gmail.com
 #------------------------------------------------------------------------------
 
diff --git a/gitignores/.gitignore_quartus b/gitignores/.gitignore_quartus
index 89daced..b10ed45 100755
--- a/gitignores/.gitignore_quartus
+++ b/gitignores/.gitignore_quartus
@@ -1,5 +1,6 @@
 #------------------------------------------------------------------------------
 # .gitignore for Intel Quartus
+# published as part of https://github.com/pConst/basic_verilog
 # Konstantin Pavlov, pavlovconst@gmail.com
 #------------------------------------------------------------------------------
 
diff --git a/gitignores/.gitignore_vivado b/gitignores/.gitignore_vivado
index c3f0d56..047201b 100755
--- a/gitignores/.gitignore_vivado
+++ b/gitignores/.gitignore_vivado
@@ -1,5 +1,6 @@
 #------------------------------------------------------------------------------
 # .gitignore for Xilinx Vivado
+# published as part of https://github.com/pConst/basic_verilog
 # Konstantin Pavlov, pavlovconst@gmail.com
 #------------------------------------------------------------------------------
 
diff --git a/scripts/clean_gowin.bat b/scripts/clean_gowin.bat
new file mode 100755
index 0000000..10eda8b
--- /dev/null
+++ b/scripts/clean_gowin.bat
@@ -0,0 +1,28 @@
+@echo off
+rem ------------------------------------------------------------------------------
+rem  clean_gowin.bat
+rem  published as part of https://github.com/pConst/basic_verilog
+rem  Konstantin Pavlov, pavlovconst@gmail.com
+rem ------------------------------------------------------------------------------
+
+rem   Use this file as a boilerplate for your custom clean script
+rem   for Gowin IDE projects
+
+
+rem preserving .\impl\gwsynthesis\test.prj file
+del /s /f /q .\impl\gwsynthesis\*.html
+del /s /f /q .\impl\gwsynthesis\*.xml
+del /s /f /q .\impl\gwsynthesis\*.log
+del /s /f /q .\impl\gwsynthesis\*.vg
+
+del /s /f /q .\impl\pnr\*
+rmdir /s /q  .\impl\pnr\
+
+del /s /f /q .\impl\temp\*
+rmdir /s /q  .\impl\temp\
+
+del /s /f /q .*.gprj.user
+
+pause
+goto :eof
+