diff --git a/lib/Slic3r/Format/STL.pm b/lib/Slic3r/Format/STL.pm
index d5086a801..edc6956a2 100644
--- a/lib/Slic3r/Format/STL.pm
+++ b/lib/Slic3r/Format/STL.pm
@@ -9,7 +9,7 @@ sub read_file {
     
     my $tmesh = Slic3r::TriangleMesh::XS->new;
     $tmesh->ReadSTLFile(Slic3r::encode_path($file));
-    $tmesh->Repair;
+    $tmesh->repair;
     my ($vertices, $facets) = ($tmesh->vertices, $tmesh->facets);
     
     my $model = Slic3r::Model->new;
diff --git a/lib/Slic3r/GUI/SkeinPanel.pm b/lib/Slic3r/GUI/SkeinPanel.pm
index a76137f82..31c27e44e 100644
--- a/lib/Slic3r/GUI/SkeinPanel.pm
+++ b/lib/Slic3r/GUI/SkeinPanel.pm
@@ -223,7 +223,7 @@ sub repair_stl {
     
     my $tmesh = Slic3r::TriangleMesh::XS->new();
     $tmesh->ReadSTLFile($input_file);
-    $tmesh->Repair;
+    $tmesh->repair;
     $tmesh->WriteOBJFile($output_file);
     Slic3r::GUI::show_info($self, "Your file was repaired.", "Repair");
 }
diff --git a/lib/Slic3r/Print/Object.pm b/lib/Slic3r/Print/Object.pm
index 3b1fcbd2f..b0ff721fb 100644
--- a/lib/Slic3r/Print/Object.pm
+++ b/lib/Slic3r/Print/Object.pm
@@ -148,7 +148,7 @@ sub slice {
         {
             my $m = Slic3r::TriangleMesh::XS->new;
             $m->ReadFromPerl($mesh->vertices, $mesh->facets);
-            $m->Repair;
+            $m->repair;
             my $lines = $m->slice([ map $_->slice_z, @{$self->layers} ]);
             for my $layer_id (0..$#$lines) {
                 my $layerm = $self->layers->[$layer_id]->regions->[$region_id];
diff --git a/lib/Slic3r/TriangleMesh.pm b/lib/Slic3r/TriangleMesh.pm
index 7bf470f1d..dfd67c68c 100644
--- a/lib/Slic3r/TriangleMesh.pm
+++ b/lib/Slic3r/TriangleMesh.pm
@@ -88,18 +88,6 @@ sub clone {
   Storable::dclone($_[0])
 }
 
-sub _facet_edges {
-    my $self = shift;
-    my ($facet_id) = @_;
-    
-    my $facet = $self->facets->[$facet_id];
-    return (
-        [ $facet->[-3], $facet->[-2] ],
-        [ $facet->[-2], $facet->[-1] ],
-        [ $facet->[-1], $facet->[-3] ],
-    );
-}
-
 sub check_manifoldness {
     my $self = shift;
     
@@ -222,60 +210,6 @@ sub size {
     return $self->bounding_box->size;
 }
 
-sub get_connected_facets {
-    my $self = shift;
-    my ($facet_id) = @_;
-    
-    my %facets = ();
-    foreach my $edge_id (@{$self->facets_edges->[$facet_id]}) {
-        $facets{$_} = 1 for @{$self->edges_facets->[$edge_id]};
-    }
-    delete $facets{$facet_id};
-    return keys %facets;
-}
-
-sub split_mesh {
-    my $self = shift;
-    
-    $self->analyze;
-    
-    my @meshes = ();
-    
-    # loop while we have remaining facets
-    while (1) {
-        # get the first facet
-        my @facet_queue = ();
-        my @facets = ();
-        for (my $i = 0; $i <= $#{$self->facets}; $i++) {
-            if (defined $self->facets->[$i]) {
-                push @facet_queue, $i;
-                last;
-            }
-        }
-        last if !@facet_queue;
-        
-        while (defined (my $facet_id = shift @facet_queue)) {
-            next unless defined $self->facets->[$facet_id];
-            push @facets, map [ @$_ ], $self->facets->[$facet_id];
-            push @facet_queue, $self->get_connected_facets($facet_id);
-            $self->facets->[$facet_id] = undef;
-        }
-        
-        my %vertices = map { $_ => 1 } map @$_[-3..-1], @facets;
-        my @new_vertices = keys %vertices;
-        my %new_vertices = map { $new_vertices[$_] => $_ } 0..$#new_vertices;
-        foreach my $facet (@facets) {
-            $facet->[$_] = $new_vertices{$facet->[$_]} for -3..-1;
-        }
-        push @meshes, Slic3r::TriangleMesh->new(
-            facets => \@facets,
-            vertices => [ map $self->vertices->[$_], keys %vertices ],
-        );
-    }
-    
-    return @meshes;
-}
-
 # this will return *scaled* expolygons, so it is expected to be run
 # on unscaled meshes
 sub horizontal_projection {
diff --git a/slic3r.pl b/slic3r.pl
index 8818c9151..6d485e52b 100755
--- a/slic3r.pl
+++ b/slic3r.pl
@@ -103,7 +103,7 @@ if (@ARGV) {  # slicing from command line
             $output_file =~ s/\.(stl)$/_fixed.obj/i;
             my $tmesh = Slic3r::TriangleMesh::XS->new();
             $tmesh->ReadSTLFile($file);
-            $tmesh->Repair;
+            $tmesh->repair;
             $tmesh->WriteOBJFile($output_file);
         }
         exit;
diff --git a/xs/src/TriangleMesh.cpp b/xs/src/TriangleMesh.cpp
index 664c7c26d..db2083e59 100644
--- a/xs/src/TriangleMesh.cpp
+++ b/xs/src/TriangleMesh.cpp
@@ -62,8 +62,8 @@ void TriangleMesh::ReadFromPerl(SV* vertices, SV* facets)
 }
 
 void
-TriangleMesh::Repair() {
-    int i;
+TriangleMesh::repair() {
+    if (this->repaired) return;
     
     // checking exact
     stl_check_facets_exact(&stl);
@@ -77,7 +77,7 @@ TriangleMesh::Repair() {
     float increment = stl.stats.bounding_diameter / 10000.0;
     int iterations = 2;
     if (stl.stats.connected_facets_3_edge < stl.stats.number_of_facets) {
-        for (i = 0; i < iterations; i++) {
+        for (int i = 0; i < iterations; i++) {
             if (stl.stats.connected_facets_3_edge < stl.stats.number_of_facets) {
                 //printf("Checking nearby. Tolerance= %f Iteration=%d of %d...", tolerance, i + 1, iterations);
                 stl_check_facets_nearby(&stl, tolerance);
@@ -486,7 +486,7 @@ TriangleMesh::split() const
     std::set<int> seen_facets;
     
     // we need neighbors
-    if (!this->repaired) CONFESS("split() requires Repair()");
+    if (!this->repaired) CONFESS("split() requires repair()");
     
     // loop while we have remaining facets
     while (1) {
diff --git a/xs/src/TriangleMesh.hpp b/xs/src/TriangleMesh.hpp
index e6a1a8a08..973371d7c 100644
--- a/xs/src/TriangleMesh.hpp
+++ b/xs/src/TriangleMesh.hpp
@@ -20,7 +20,7 @@ class TriangleMesh
     SV* to_SV();
     void ReadSTLFile(char* input_file);
     void ReadFromPerl(SV* vertices, SV* facets);
-    void Repair();
+    void repair();
     void WriteOBJFile(char* output_file);
     void scale(float factor);
     void translate(float x, float y, float z);
diff --git a/xs/t/01_trianglemesh.t b/xs/t/01_trianglemesh.t
index 24be62fbc..3d9521a68 100644
--- a/xs/t/01_trianglemesh.t
+++ b/xs/t/01_trianglemesh.t
@@ -17,7 +17,7 @@ my $cube = {
 {
     my $m = Slic3r::TriangleMesh::XS->new;
     $m->ReadFromPerl($cube->{vertices}, $cube->{facets});
-    $m->Repair;
+    $m->repair;
     my ($vertices, $facets) = ($m->vertices, $m->facets);
     
     is_deeply $vertices, $cube->{vertices}, 'vertices arrayref roundtrip';
@@ -51,9 +51,9 @@ my $cube = {
     
     my $m2 = Slic3r::TriangleMesh::XS->new;
     $m2->ReadFromPerl($cube->{vertices}, $cube->{facets});
-    $m2->Repair;
+    $m2->repair;
     $m->merge($m2);
-    $m->Repair;
+    $m->repair;
     is $m->stats->{number_of_facets}, 2 * $m2->stats->{number_of_facets}, 'merge';
     
     {
@@ -65,7 +65,7 @@ my $cube = {
 {
     my $m = Slic3r::TriangleMesh::XS->new;
     $m->ReadFromPerl($cube->{vertices}, $cube->{facets});
-    $m->Repair;
+    $m->repair;
     my @z = (2,4,8,6,8,10,12,14,16,18,20);
     my $result = $m->slice(\@z);
     for my $i (0..$#z) {
diff --git a/xs/xsp/TriangleMesh.xsp b/xs/xsp/TriangleMesh.xsp
index 433e63508..aebc8453e 100644
--- a/xs/xsp/TriangleMesh.xsp
+++ b/xs/xsp/TriangleMesh.xsp
@@ -10,7 +10,7 @@
     ~TriangleMesh();
     void ReadSTLFile(char* input_file);
     void ReadFromPerl(SV* vertices, SV* facets);
-    void Repair();
+    void repair();
     void WriteOBJFile(char* output_file);
     void scale(float factor);
     void translate(float x, float y, float z);
@@ -41,7 +41,7 @@ TriangleMesh::stats()
 SV*
 TriangleMesh::vertices()
     CODE:
-        if (!THIS->repaired) CONFESS("vertices() requires Repair()");
+        if (!THIS->repaired) CONFESS("vertices() requires repair()");
         
         if (THIS->stl.v_shared == NULL)
             stl_generate_shared_vertices(&(THIS->stl));
@@ -65,7 +65,7 @@ TriangleMesh::vertices()
 SV*
 TriangleMesh::facets()
     CODE:
-        if (!THIS->repaired) CONFESS("facets() requires Repair()");
+        if (!THIS->repaired) CONFESS("facets() requires repair()");
         
         if (THIS->stl.v_shared == NULL)
             stl_generate_shared_vertices(&(THIS->stl));