diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.1_Slat=0_nSegments=5_Rise=0.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.1_Slat=0_nSegments=5_Rise=0.csv
new file mode 100644
index 00000000..c7828011
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.1_Slat=0_nSegments=5_Rise=0.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.7_Slat=0_nSegments=5_Rise=0.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.7_Slat=0_nSegments=5_Rise=0.csv
new file mode 100644
index 00000000..d097b399
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0.1_R=0.7_Slat=0_nSegments=5_Rise=0.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=1_Rise=0.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=1_Rise=0.csv
new file mode 100644
index 00000000..10d65332
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=1_Rise=0.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=5_Rise=5.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=5_Rise=5.csv
new file mode 100644
index 00000000..dfa8b7cc
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=5_Rise=5.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=1_Rise=0.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=1_Rise=0.csv
new file mode 100644
index 00000000..059814f0
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=1_Rise=0.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=5_Rise=3.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=5_Rise=3.csv
new file mode 100644
index 00000000..90eaff3c
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=5_Rise=3.csv
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diff --git a/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.2_Slat=30_nSegments=5_Rise=0.csv b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.2_Slat=30_nSegments=5_Rise=0.csv
new file mode 100644
index 00000000..f6a7267a
--- /dev/null
+++ b/src/SingleLayerOptics/tst/data/TestVenetianDirectionalMatrix_T=0_R=0.2_Slat=30_nSegments=5_Rise=0.csv
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diff --git a/src/SingleLayerOptics/tst/units/VenetianDirectionalMatrix.unit.cpp b/src/SingleLayerOptics/tst/units/VenetianDirectionalMatrix.unit.cpp
new file mode 100644
index 00000000..415cd8a1
--- /dev/null
+++ b/src/SingleLayerOptics/tst/units/VenetianDirectionalMatrix.unit.cpp
@@ -0,0 +1,156 @@
+#include <gtest/gtest.h>
+#include <memory>
+
+#include "WCECommon.hpp"
+#include "WCESingleLayerOptics.hpp"
+
+#include "csvHandlers.hpp"
+#include "matrixTesting.hpp"
+
+// Some function names can be identical across different unit tests. This is the purpose of putting
+// it under anonymous namespace
+namespace
+{
+    // Helper function to set up and test a configuration
+    void runVenetianLayerTest(double Tmat,
+                              double Rfmat,
+                              double Rbmat,
+                              double slatWidth,
+                              double slatSpacing,
+                              double slatTiltAngle,
+                              double curvatureRadius,
+                              size_t numOfSlatSegments,
+                              const std::string & expectedCsvFile)
+    {
+        // Create material with specified properties
+        auto material = SingleLayerOptics::Material::singleBandMaterial(Tmat, Tmat, Rfmat, Rbmat);
+
+        // Create BSDF hemisphere
+        auto bsdf =
+          SingleLayerOptics::BSDFHemisphere::create(SingleLayerOptics::BSDFBasis::Quarter);
+
+        // Create Venetian layer with the configuration parameters
+        auto shade = SingleLayerOptics::CBSDFLayerMaker::getVenetianLayer(
+          material,
+          bsdf,
+          slatWidth,
+          slatSpacing,
+          slatTiltAngle,
+          curvatureRadius,
+          numOfSlatSegments,
+          SingleLayerOptics::DistributionMethod::DirectionalDiffuse);
+
+        auto results = shade->getResults();
+        auto frontTransmittanceMatrix =
+          results.getMatrix(FenestrationCommon::Side::Front, FenestrationCommon::PropertySimple::T);
+
+        //Helper::writeVectorToCSV(frontTransmittanceMatrix.getMatrix(), expectedCsvFile);
+
+        // Load expected results from CSV and compare
+        const auto correctResults = Helper::readVectorFromCSV(expectedCsvFile);
+        Helper::compareMatrices(correctResults, frontTransmittanceMatrix.getMatrix());
+    }
+
+    double calculateCurvature(const double t_Rise, const double t_SlatWidth)
+    {
+        double curvature = 0;
+
+        if(t_Rise > 0)
+        {
+            double aRise = t_Rise;
+            if(t_Rise > t_SlatWidth / 2)
+            {
+                aRise = t_SlatWidth / 2;
+            }
+            curvature = (aRise * aRise + t_SlatWidth * t_SlatWidth / 4) / (2 * aRise);
+        }
+        return curvature;
+    }
+}   // namespace
+
+class TestVenetianDirectionalMatrix : public ::testing::Test
+{
+    // Test fixture - no specific setup needed here as each test uses the helper function
+};
+
+// clang-format off
+TEST_F(TestVenetianDirectionalMatrix, Configuration1_T0_R0_1_Slat0_Rise0)
+ {
+    SCOPED_TRACE("Testing Venetian layer with T=0, R=0.1, Slat=0, Rise=0 configuration.");
+    runVenetianLayerTest(
+        0.0, 0.1, 0.1,        // Material properties
+        0.016, 0.012, 0, 0,    // Geometry properties
+        1,                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=1_Rise=0.csv" // Expected results
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration2_T0_R0_15_Slat45_Rise0)
+{
+    SCOPED_TRACE("Testing Venetian layer with T=0, R=0.15, Slat=45, Rise=0 configuration.");
+    runVenetianLayerTest(
+        0.0, 0.15, 0.15,       // Material properties
+        0.016, 0.012, 45, 0,   // Geometry properties
+        1,                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=1_Rise=0.csv"
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration3_T0_R0_2_Slat30_Rise0)
+{
+    SCOPED_TRACE("Testing Venetian layer with T=0, R=0.2, Slat=30, Rise=0 configuration.");
+    runVenetianLayerTest(
+        0.0, 0.2, 0.2,         // Material properties
+        0.018, 0.014, 30, 0,   // Geometry properties
+        5,                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0_R=0.2_Slat=30_nSegments=5_Rise=0.csv"
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration1_T0_R0_1_Slat0_Rise3)
+ {
+    SCOPED_TRACE("Testing Venetian layer with T=0, R=0.1, Slat=0, Rise=3 configuration.");
+    runVenetianLayerTest(
+        0.0, 0.1, 0.1,                                         // Material properties
+        0.016, 0.012, 0, calculateCurvature(0.003, 0.016),     // Geometry properties
+        5,                                                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0_R=0.1_Slat=0_nSegments=5_Rise=3.csv" // Expected results
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration2_T0_R0_15_Slat45_Rise5)
+{
+    SCOPED_TRACE("Testing Venetian layer with T=0, R=0.15, Slat=45, Curvature=5 configuration.");
+    runVenetianLayerTest(
+        0.0, 0.15, 0.15,                                        // Material properties
+        0.016, 0.012, 45, calculateCurvature(0.005, 0.016),     // Geometry properties
+        5,                                                      // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0_R=0.15_Slat=45_nSegments=5_Rise=5.csv"
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration1_T0_1_R0_1_Slat0_Rise0)
+ {
+    SCOPED_TRACE("Testing Venetian layer with T=0.1, R=0.1, Slat=0, Rise=0 configuration.");
+    runVenetianLayerTest(
+        0.1, 0.1, 0.1,         // Material properties
+        0.016, 0.012, 0, 0,    // Geometry properties
+        5,                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0.1_R=0.1_Slat=0_nSegments=5_Rise=0.csv" // Expected results
+    );
+}
+
+TEST_F(TestVenetianDirectionalMatrix, Configuration1_T0_1_R0_7_Slat0_Rise0)
+ {
+    SCOPED_TRACE("Testing Venetian layer with T=0.1, R=0.1, Slat=0, Rise=0 configuration.");
+    runVenetianLayerTest(
+        0.1, 0.7, 0.7,         // Material properties
+        0.016, 0.012, 0, 0,    // Geometry properties
+        5,                     // Number of slat segments
+        TEST_DATA_DIR "/data/TestVenetianDirectionalMatrix_T=0.1_R=0.7_Slat=0_nSegments=5_Rise=0.csv" // Expected results
+    );
+}
+//clang-format on
+
+// Add more configurations as needed
+