diff --git a/.gitignore b/.gitignore
index ae7b42e47..9a4a7c036 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,50 @@
/swing/build
/swing/tmp
+
+# IntelliJ
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+# https://github.com/github/gitignore/blob/master/Global/JetBrains.gitignore
+
+# User-specific stuff:
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/dictionaries
+.idea/vcs.xml
+.idea/jsLibraryMappings.xml
+
+# Sensitive or high-churn files:
+.idea/dataSources.ids
+.idea/dataSources.xml
+.idea/dataSources.local.xml
+.idea/sqlDataSources.xml
+.idea/dynamic.xml
+.idea/uiDesigner.xml
+
+# Gradle:
+.idea/gradle.xml
+.idea/libraries
+
+# Mongo Explorer plugin:
+.idea/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 000000000..2833b9b30
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+openrocket
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 000000000..9a8b7e5c4
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,22 @@
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\ No newline at end of file
diff --git a/.idea/copyright/profiles_settings.xml b/.idea/copyright/profiles_settings.xml
new file mode 100644
index 000000000..e7bedf337
--- /dev/null
+++ b/.idea/copyright/profiles_settings.xml
@@ -0,0 +1,3 @@
+
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+
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 000000000..d82104827
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
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+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..26cca49c9
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,263 @@
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+ Class structure
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+ Code maturity issues
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+ Java language level migration aids
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+ Javadoc issues
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+
+ Performance issues
+
+
+ Portability issues
+
+
+ Probable bugs
+
+
+ Resource management issues
+
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+ TestNG
+
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+ Threading issues
+
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+ Abstraction issues
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+ localhost
+ 5050
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+ 1.8
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+ 1.8
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\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..aa2ec6e95
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,10 @@
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\ No newline at end of file
diff --git a/.idea/scopes/scope_settings.xml b/.idea/scopes/scope_settings.xml
new file mode 100644
index 000000000..922003b84
--- /dev/null
+++ b/.idea/scopes/scope_settings.xml
@@ -0,0 +1,5 @@
+
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+
\ No newline at end of file
diff --git a/core/OpenRocket Core.iml b/core/OpenRocket Core.iml
new file mode 100644
index 000000000..1a3d9744c
--- /dev/null
+++ b/core/OpenRocket Core.iml
@@ -0,0 +1,181 @@
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\ No newline at end of file
diff --git a/lib-test/OpenRocket Test Libraries.iml b/lib-test/OpenRocket Test Libraries.iml
new file mode 100644
index 000000000..82b2558c0
--- /dev/null
+++ b/lib-test/OpenRocket Test Libraries.iml
@@ -0,0 +1,83 @@
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\ No newline at end of file
diff --git a/swing/OpenRocket Swing.iml b/swing/OpenRocket Swing.iml
new file mode 100644
index 000000000..045ebe7be
--- /dev/null
+++ b/swing/OpenRocket Swing.iml
@@ -0,0 +1,210 @@
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\ No newline at end of file