diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..5472856
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,18 @@
+{
+  "configurations": [
+    {
+      "name": "windows-gcc-x64",
+      "includePath": [
+        "${workspaceFolder}/**"
+      ],
+      "compilerPath": "C:/mingw64/bin/gcc.exe",
+      "cStandard": "${default}",
+      "cppStandard": "${default}",
+      "intelliSenseMode": "windows-gcc-x64",
+      "compilerArgs": [
+        ""
+      ]
+    }
+  ],
+  "version": 4
+}
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..a9941a8
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,35 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "C/C++ Runner: Debug Session",
+            "type": "cppdbg",
+            "request": "launch",
+            "args": [],
+            "stopAtEntry": false,
+            "externalConsole": true,
+            "cwd": "c:/Users/612500/ThinkPython",
+            "program": "c:/Users/612500/ThinkPython/build/Debug/outDebug",
+            "MIMode": "gdb",
+            "miDebuggerPath": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ]
+        },
+        {
+            "name": "(Windows) Launch",
+            "type": "cppvsdbg",
+            "request": "launch",
+            "program": "enter program name, for example ${workspaceFolder}/a.exe",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "console": "externalTerminal"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..09736b4
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,62 @@
+{
+  "C_Cpp_Runner.cCompilerPath": "gcc",
+  "C_Cpp_Runner.cppCompilerPath": "g++",
+  "C_Cpp_Runner.debuggerPath": "gdb",
+  "C_Cpp_Runner.cStandard": "",
+  "C_Cpp_Runner.cppStandard": "",
+  "C_Cpp_Runner.msvcBatchPath": "C:/Program Files/Microsoft Visual Studio/VR_NR/Community/VC/Auxiliary/Build/vcvarsall.bat",
+  "C_Cpp_Runner.useMsvc": false,
+  "C_Cpp_Runner.warnings": [
+    "-Wall",
+    "-Wextra",
+    "-Wpedantic",
+    "-Wshadow",
+    "-Wformat=2",
+    "-Wcast-align",
+    "-Wconversion",
+    "-Wsign-conversion",
+    "-Wnull-dereference"
+  ],
+  "C_Cpp_Runner.msvcWarnings": [
+    "/W4",
+    "/permissive-",
+    "/w14242",
+    "/w14287",
+    "/w14296",
+    "/w14311",
+    "/w14826",
+    "/w44062",
+    "/w44242",
+    "/w14905",
+    "/w14906",
+    "/w14263",
+    "/w44265",
+    "/w14928"
+  ],
+  "C_Cpp_Runner.enableWarnings": true,
+  "C_Cpp_Runner.warningsAsError": false,
+  "C_Cpp_Runner.compilerArgs": [],
+  "C_Cpp_Runner.linkerArgs": [],
+  "C_Cpp_Runner.includePaths": [],
+  "C_Cpp_Runner.includeSearch": [
+    "*",
+    "**/*"
+  ],
+  "C_Cpp_Runner.excludeSearch": [
+    "**/build",
+    "**/build/**",
+    "**/.*",
+    "**/.*/**",
+    "**/.vscode",
+    "**/.vscode/**"
+  ],
+  "C_Cpp_Runner.useAddressSanitizer": false,
+  "C_Cpp_Runner.useUndefinedSanitizer": false,
+  "C_Cpp_Runner.useLeakSanitizer": false,
+  "C_Cpp_Runner.showCompilationTime": false,
+  "C_Cpp_Runner.useLinkTimeOptimization": false,
+  "C_Cpp_Runner.msvcSecureNoWarnings": false,
+  "cSpell.words": [
+    "Thom"
+  ]
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..4035ce2
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: gcc.exe build active file",
+            "command": "C:\\mingw64\\bin\\gcc.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..d912bd4
--- /dev/null
+++ b/hello.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char const *argv[])
+{
+    printf("Hello, World!\n");
+    return 0;
+}
diff --git a/import sqlite3.py b/import sqlite3.py
new file mode 100644
index 0000000..3bdab82
--- /dev/null
+++ b/import sqlite3.py	
@@ -0,0 +1,16 @@
+import sqlite3
+from sqlite3 import Error
+
+
+def create_connection(path):
+    connection = None
+    try:
+        connection = sqlite3.connect(path)
+        print("Connection to SQLite DB successful")
+    except Error as e:
+        print(f"The error '{e}' occurred")
+
+    return connection
+
+
+connection = create_connection("U:\\sm_app.sqlite")
diff --git a/tube.c b/tube.c
new file mode 100644
index 0000000..4e8cee2
--- /dev/null
+++ b/tube.c
@@ -0,0 +1,73 @@
+/*
+ * tube.c
+ *
+ * Thom Nijdam
+ */
+#include <ctype.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define PI 3.14159265359
+#define RADIAL (PI / 180)
+#define TIMES 180
+
+float tmp, y_start, x_start, x_end, outside_radius_brace;
+
+int main(void)
+{
+    float const rad = RADIAL;
+    float pi, A, r1, r2, Alpha, Alpha_hlp1, Alpha_hlp2, Alpha_hlp3;
+    float outside_diameter_leg, outside_diameter_brace, wall_thickness_brace, angle, outside_radius_leg, inside_radius_brace, x_axis[TIMES], y_axis[TIMES], units;
+    int i;
+    char unit;
+
+    printf("\nEnter the following values:\n\n");
+    printf("Dimensions Metric or Imperial [M/I]?: ");
+    scanf("%s", &unit);
+    printf("Outside diameter Leg\t\t: ");
+    scanf("%f", &outside_diameter_leg);
+    printf("Outside diameter Brace\t\t: ");
+    scanf("%f", &outside_diameter_brace);
+    printf("Wallthickness Brace\t\t: ");
+    scanf("%f", &wall_thickness_brace);
+    printf("Angle between Leg and Brace\t: ");
+    scanf("%f", &angle);
+
+    if (angle > 90)
+        angle = 180 - angle;
+    if (toupper(unit) == 'I')
+    {
+        units = 25.4;
+    }
+    else
+    {
+        units = 1.0;
+    }
+
+    /*
+     * Calculate the x-axis
+     */
+    outside_radius_leg   = (outside_diameter_leg   / 2.0);
+    inside_radius_brace  = (outside_diameter_brace - (2.0 * wall_thickness_brace)) / 2.0;
+    outside_radius_brace = (outside_diameter_brace / 2.0);
+    angle = angle * rad;
+    r1 = powf(inside_radius_brace, 2.0f);
+    r2 = powf(outside_radius_leg, 2.0f);
+    // Debug info
+    // printf("outside_radius_leg: %7.2lf, inside_radius_brace: %7.2lf, outside_radius_brace: %7.2lf, angle in rad: %lf\n", outside_radius_leg,
+    //       inside_radius_brace, outside_radius_brace, angle);
+    for (i = 0; i <= 180; i += 10)
+    {
+        Alpha = i * 1.0f;
+        Alpha = Alpha * rad;
+        Alpha_hlp1 = sinf(Alpha);
+        Alpha_hlp3 = cosf(Alpha);
+        Alpha_hlp2 = powf(Alpha_hlp1, 2.0f);
+        A = 1.0f - sqrtf(1.0f - ((r1 / r2) * Alpha_hlp2));
+        x_axis[i] = ((outside_radius_leg / sinf(angle)) * A) + ((inside_radius_brace / tanf(angle)) * (1.0f - Alpha_hlp3));
+        y_axis[i] = fabsf(outside_radius_brace * Alpha_hlp3);
+        printf("x[%3i] = %8.3f, y[%3i] = %8.3f\n", i, x_axis[i], i, y_axis[i]);
+    }
+    system("pause");
+}
diff --git a/tube.exe b/tube.exe
new file mode 100644
index 0000000..4d05238
Binary files /dev/null and b/tube.exe differ