diff --git a/rack/config.scad b/rack/config.scad
index 2b54809..40a4c86 100644
--- a/rack/config.scad
+++ b/rack/config.scad
@@ -8,13 +8,16 @@
 */
 include <./profiles.scad>
 
-profile = "default";
+profileName = "micro";
+profile = getProfile(profileName);
 
 echo("Profile:", profile);
 
+function getConfig(name) = getConfigValue(profile, name);
+
 // Maximum width for rackmount units. Change this according your max expected enclosure width.
 // Changing this will directly affect the required build volume.
-maxUnitWidth = getConfigValue(profile, "maxUnitWidth");
+maxUnitWidth = getConfig("maxUnitWidth");
 
 // Maximum (recommended) unit depth. There technically isn't a max unit depth because there's no physical bound on
 // how far a rack unit can extrude back. This parameter basically controls the distance between the front of the front
diff --git a/rack/profiles.scad b/rack/profiles.scad
index e2c8fe4..600ac60 100644
--- a/rack/profiles.scad
+++ b/rack/profiles.scad
@@ -39,6 +39,12 @@ function _getConfigValueRaw(profile, varName) = profile[search([varName], profil
 function _getProfileRaw(profileName) = _profileConfigs[search([profileName], _profileConfigs)[0]][1];
 
 function _getConfigValueOrThrowError(val) = val == undef? assert(false, "blah") 0: val;
+function _getConfigValueOrDefault(val, default) = val == undef? default: val;
+
+function getConfigValue(profile, varName) =
+  _getConfigValueOrDefault(
+    _getConfigValueRaw(profile, varName),
+    _getConfigValueOrThrowError(_getConfigValueRaw(getProfile("default"), varName))
+  );
 
-function getConfigValue(profile, varName) = _getConfigValueOrThrowError(_getConfigValueRaw(profile, varName));
 function getProfile(profileName) = _getConfigValueOrThrowError(_getProfileRaw(profileName));