diff --git a/tiny_bvh_test.sln b/tiny_bvh_test.sln
index 29ec808..ed5840e 100644
--- a/tiny_bvh_test.sln
+++ b/tiny_bvh_test.sln
@@ -23,6 +23,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tiny_bvh_gpu2", "vcproj\tin
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tiny_bvh_interop", "tmpl8\tiny_bvh_interop.vcxproj", "{1B482D44-6893-42E7-ADF6-E497E4FCE916}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tiny_bvh_custom_double", "vcproj\tiny_bvh_custom_double.vcxproj", "{8A22807D-400D-407E-B54B-58826BDAFAC1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -31,6 +33,14 @@ Global
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x64.ActiveCfg = Debug|x64
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x64.Build.0 = Debug|x64
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x86.ActiveCfg = Debug|Win32
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x86.Build.0 = Debug|Win32
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x64.ActiveCfg = Release|x64
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x64.Build.0 = Release|x64
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x86.ActiveCfg = Release|Win32
+		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x86.Build.0 = Release|Win32
 		{C668A5EF-8E6A-4060-89C2-ED0AFFF0EE90}.Debug|x64.ActiveCfg = Debug|x64
 		{C668A5EF-8E6A-4060-89C2-ED0AFFF0EE90}.Debug|x64.Build.0 = Debug|x64
 		{C668A5EF-8E6A-4060-89C2-ED0AFFF0EE90}.Debug|x86.ActiveCfg = Debug|Win32
@@ -71,14 +81,6 @@ Global
 		{430FCECF-7685-40A7-A415-4A0DE487158F}.Release|x64.Build.0 = Release|x64
 		{430FCECF-7685-40A7-A415-4A0DE487158F}.Release|x86.ActiveCfg = Release|Win32
 		{430FCECF-7685-40A7-A415-4A0DE487158F}.Release|x86.Build.0 = Release|Win32
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x64.ActiveCfg = Debug|x64
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x64.Build.0 = Debug|x64
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x86.ActiveCfg = Debug|Win32
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Debug|x86.Build.0 = Debug|Win32
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x64.ActiveCfg = Release|x64
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x64.Build.0 = Release|x64
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x86.ActiveCfg = Release|Win32
-		{4B0A219D-68D0-41EA-A0C4-8EB9E6171218}.Release|x86.Build.0 = Release|Win32
 		{05E87951-A43C-49D9-BC3B-5F6387285D2E}.Debug|x64.ActiveCfg = Debug|x64
 		{05E87951-A43C-49D9-BC3B-5F6387285D2E}.Debug|x64.Build.0 = Debug|x64
 		{05E87951-A43C-49D9-BC3B-5F6387285D2E}.Debug|x86.ActiveCfg = Debug|Win32
@@ -111,6 +113,14 @@ Global
 		{1B482D44-6893-42E7-ADF6-E497E4FCE916}.Release|x64.Build.0 = Release|x64
 		{1B482D44-6893-42E7-ADF6-E497E4FCE916}.Release|x86.ActiveCfg = Release|x64
 		{1B482D44-6893-42E7-ADF6-E497E4FCE916}.Release|x86.Build.0 = Release|x64
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Debug|x64.ActiveCfg = Debug|x64
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Debug|x64.Build.0 = Debug|x64
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Debug|x86.ActiveCfg = Debug|Win32
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Debug|x86.Build.0 = Debug|Win32
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Release|x64.ActiveCfg = Release|x64
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Release|x64.Build.0 = Release|x64
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Release|x86.ActiveCfg = Release|Win32
+		{8A22807D-400D-407E-B54B-58826BDAFAC1}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE