diff --git a/CarCenter/CarCenter.csproj b/CarCenter/CarCenter.csproj
new file mode 100644
index 0000000..cfadb03
--- /dev/null
+++ b/CarCenter/CarCenter.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/CarCenter/CarCenter.sln b/CarCenter/CarCenter.sln
new file mode 100644
index 0000000..21c39a3
--- /dev/null
+++ b/CarCenter/CarCenter.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34525.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CarCenter", "CarCenter.csproj", "{67226823-B581-4EF2-85D9-EF237B3DA3AF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CarCenterDataModels", "..\CarCenterDataModels\CarCenterDataModels.csproj", "{5C83F791-9BDF-4EE7-A2F9-E163E9A26613}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{67226823-B581-4EF2-85D9-EF237B3DA3AF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{67226823-B581-4EF2-85D9-EF237B3DA3AF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{67226823-B581-4EF2-85D9-EF237B3DA3AF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{67226823-B581-4EF2-85D9-EF237B3DA3AF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5C83F791-9BDF-4EE7-A2F9-E163E9A26613}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5C83F791-9BDF-4EE7-A2F9-E163E9A26613}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5C83F791-9BDF-4EE7-A2F9-E163E9A26613}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5C83F791-9BDF-4EE7-A2F9-E163E9A26613}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {52326E6A-84CC-4561-AB92-C6D9971A606D}
+	EndGlobalSection
+EndGlobal
diff --git a/CarCenter/Class1.cs b/CarCenter/Class1.cs
new file mode 100644
index 0000000..fb1d0c6
--- /dev/null
+++ b/CarCenter/Class1.cs
@@ -0,0 +1,7 @@
+namespace CarCenter
+{
+	public class Class1
+	{
+
+	}
+}
diff --git a/CarCenterDataModels/CarCenterDataModels.csproj b/CarCenterDataModels/CarCenterDataModels.csproj
new file mode 100644
index 0000000..cfadb03
--- /dev/null
+++ b/CarCenterDataModels/CarCenterDataModels.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/CarCenterDataModels/IClientModel.cs b/CarCenterDataModels/IClientModel.cs
new file mode 100644
index 0000000..dee2df2
--- /dev/null
+++ b/CarCenterDataModels/IClientModel.cs
@@ -0,0 +1,11 @@
+using CarCenterDataModels.HelperInterfaces;
+
+namespace CarCenterDataModels
+{
+    public interface IClientModel : IId
+    {
+        int DirectorId { get; }
+        string Name { get; }
+        int Course { get; }
+    }
+}
diff --git a/CarCenterDataModels/IDirectorModel.cs b/CarCenterDataModels/IDirectorModel.cs
new file mode 100644
index 0000000..1302e80
--- /dev/null
+++ b/CarCenterDataModels/IDirectorModel.cs
@@ -0,0 +1,8 @@
+using CarCenterDataModels.HelperInterfaces;
+
+namespace CarCenterDataModels
+{
+    public interface IDirectorModel : IUser
+    {
+    }
+}
diff --git a/CarCenterDataModels/IRequirementModel.cs b/CarCenterDataModels/IRequirementModel.cs
new file mode 100644
index 0000000..2c15ab9
--- /dev/null
+++ b/CarCenterDataModels/IRequirementModel.cs
@@ -0,0 +1,14 @@
+using CarCenterDataModels.HelperInterfaces;
+using CarCenterDataModels.ProxyModels;
+
+namespace CarCenterDataModels
+{
+    public interface IRequirementModel : IId
+    {
+        int DirectorId { get; }
+        string NameOfRequirement { get; }
+        double Price { get; }
+
+        Dictionary<int, RequirementByCarModel> CarsModels { get; }
+    }
+}
diff --git a/CarCenterDataModels/ProxyModels/RequirementByCarModel.cs b/CarCenterDataModels/ProxyModels/RequirementByCarModel.cs
new file mode 100644
index 0000000..890e4f3
--- /dev/null
+++ b/CarCenterDataModels/ProxyModels/RequirementByCarModel.cs
@@ -0,0 +1,14 @@
+using CarCenterDataModels.HelperInterfaces;
+
+namespace CarCenterDataModels.ProxyModels
+{
+    public class RequirementByCarModel : IId
+    {
+        public virtual int Id { get; set; }
+
+        public virtual int RequirementId { get; set; }
+        public virtual int CarId { get; set; }
+
+        public virtual int Count { get; set; }
+    }
+}