diff --git a/DESSINS-DXF-OPENSCAD/glissements.scad b/DESSINS-DXF-OPENSCAD/glissements.scad
index ca23a0a..087aa7a 100644
--- a/DESSINS-DXF-OPENSCAD/glissements.scad
+++ b/DESSINS-DXF-OPENSCAD/glissements.scad
@@ -62,6 +62,10 @@ module glissement(){
 		  //trou vis rotule
 		  translate([-40,52,10])rotate([90,0,90]) cylinder(r=1.5,h=120,$fn=50);
 
+			//trous pour fixer la courroie
+			translate ([21.5,35,14]) rotate([0,0,90]) cube([20,8,4]);
+			translate ([21.5,35,3]) rotate([0,0,90]) cube([20,8,4]);
+		
 	  }
   }
 }
diff --git a/DESSINS-DXF-OPENSCAD/profil-axe.dxf b/DESSINS-DXF-OPENSCAD/profil-axe.dxf
index 95aae65..033965e 100644
--- a/DESSINS-DXF-OPENSCAD/profil-axe.dxf
+++ b/DESSINS-DXF-OPENSCAD/profil-axe.dxf
@@ -67,7 +67,7 @@ STANDARD
 9
 $CLAYER
 8
-moteurs+poulies
+0
 9
 $DIMASZ
 40
@@ -229,9 +229,9 @@ AcDbViewportTableRecord
 21
 1
 12
-57.1936233658
+49.0306131091
 22
-38.8005745039
+41.2921956361
 13
 0
 23
@@ -257,9 +257,9 @@ AcDbViewportTableRecord
 37
 0
 40
-83.2066496133
+100.661334489
 41
-1.96421052632
+1.29889298893
 42
 50
 43
@@ -1209,7 +1209,7 @@ AcDbLayerTableRecord
 2
 guides-profil-pour-3D
 70
-0
+1
 62
 7
 6
@@ -1231,7 +1231,7 @@ AcDbLayerTableRecord
 2
 guides-profil-pour-3D2
 70
-4
+5
 62
 7
 6
@@ -1275,7 +1275,7 @@ AcDbLayerTableRecord
 2
 roulements
 70
-0
+1
 62
 3
 6
@@ -1593,7 +1593,7 @@ AcDbSymbolTableRecord
 100
 AcDbBlockTableRecord
 2
-*D5
+*D7
 70
 0
 280
@@ -1611,7 +1611,7 @@ AcDbSymbolTableRecord
 100
 AcDbBlockTableRecord
 2
-*D1
+*D5
 70
 0
 280
@@ -1647,7 +1647,7 @@ AcDbSymbolTableRecord
 100
 AcDbBlockTableRecord
 2
-*D7
+*D6
 70
 0
 280
@@ -1683,7 +1683,7 @@ AcDbSymbolTableRecord
 100
 AcDbBlockTableRecord
 2
-*D6
+*D4
 70
 0
 280
@@ -1701,7 +1701,7 @@ AcDbSymbolTableRecord
 100
 AcDbBlockTableRecord
 2
-*D4
+*D1
 70
 0
 280
@@ -1877,7 +1877,7 @@ AcDbEntity
 100
 AcDbBlockBegin
 2
-*D5
+*D7
 70
 1
 10
@@ -1885,7 +1885,7 @@ AcDbBlockBegin
 20
 0
 3
-*D5
+*D7
 1
 
 0
@@ -1905,13 +1905,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--6
+46
 20
-31.5
+36.5
 11
--6
+46
 21
-3.73034936274e-16
+20.5
 0
 SOLID
 5
@@ -1929,27 +1929,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
--6
+46
 20
 31.5
 30
 0
 11
--5.58371534223
+45.5837153422
 21
-29
+34
 31
 0
 12
--6.41628465777
+46.4162846578
 22
-29
+34
 32
 0
 13
--6.41628465777
+46.4162846578
 23
-29
+34
 33
 0
 0
@@ -1969,27 +1969,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
--6
+46
 20
-3.73034936274e-16
+25.5
 30
 0
 11
--6.41628465777
+46.4162846578
 21
-2.5
+23
 31
 0
 12
--5.58371534223
+45.5837153422
 22
-2.5
+23
 32
 0
 13
--5.58371534223
+45.5837153422
+23
 23
-2.5
 33
 0
 0
@@ -2009,21 +2009,21 @@ CONTINUOUS
 100
 AcDbMText
 10
--7.875
+44.125
 20
-15.75
+28.5
 30
 0
 40
 2.5
 41
-5.27777777778
+1.11111111111
 71
 5
 72
 1
 1
-31.5
+6
 7
 standard
 210
@@ -2055,11 +2055,11 @@ CONTINUOUS
 100
 AcDbLine
 10
--1.625
+45.375
 20
 31.5
 11
--7.25
+44.75
 21
 31.5
 0
@@ -2079,13 +2079,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--0.625
+45.375
 20
-7.65404249467e-17
+25.5
 11
--7.25
+44.75
 21
-5.26115786167e-16
+25.5
 0
 ENDBLK
 5
@@ -2111,7 +2111,7 @@ AcDbEntity
 100
 AcDbBlockBegin
 2
-*D1
+*D5
 70
 1
 10
@@ -2119,7 +2119,7 @@ AcDbBlockBegin
 20
 0
 3
-*D1
+*D5
 1
 
 0
@@ -2139,13 +2139,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-12.5
+-6
 20
-41
+31.5
 11
-22.5
+-6
 21
-41
+3.73034936274e-16
 0
 SOLID
 5
@@ -2163,27 +2163,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-12.5
+-6
 20
-41
+31.5
 30
 0
 11
-15
+-5.58371534223
 21
-41.4162846578
+29
 31
 0
 12
-15
+-6.41628465777
 22
-40.5837153422
+29
 32
 0
 13
-15
+-6.41628465777
 23
-40.5837153422
+29
 33
 0
 0
@@ -2203,27 +2203,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-22.5
+-6
 20
-41
+3.73034936274e-16
 30
 0
 11
-20
+-6.41628465777
 21
-40.5837153422
+2.5
 31
 0
 12
-20
+-5.58371534223
 22
-41.4162846578
+2.5
 32
 0
 13
-20
+-5.58371534223
 23
-41.4162846578
+2.5
 33
 0
 0
@@ -2243,21 +2243,21 @@ CONTINUOUS
 100
 AcDbMText
 10
-17.5
+-7.875
 20
-42.875
+15.75
 30
 0
 40
 2.5
 41
-2.5
+5.27777777778
 71
 5
 72
 1
 1
-10
+31.5
 7
 standard
 210
@@ -2267,7 +2267,7 @@ standard
 230
 1
 50
-0
+90
 73
 2
 44
@@ -2289,13 +2289,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-12.5
+-1.625
 20
-36.625
+31.5
 11
-12.5
+-7.25
 21
-42.25
+31.5
 0
 LINE
 5
@@ -2313,13 +2313,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-22.5
+-0.625
 20
-36.625
+7.65404249467e-17
 11
-22.5
+-7.25
 21
-42.25
+5.26115786167e-16
 0
 ENDBLK
 5
@@ -2579,7 +2579,7 @@ AcDbEntity
 100
 AcDbBlockBegin
 2
-*D7
+*D6
 70
 1
 10
@@ -2587,7 +2587,7 @@ AcDbBlockBegin
 20
 0
 3
-*D7
+*D6
 1
 
 0
@@ -2607,13 +2607,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-46
+40
 20
-36.5
+2.75545529808e-16
 11
-46
+0
 21
-20.5
+2.75545529808e-16
 0
 SOLID
 5
@@ -2631,27 +2631,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-46
+40
 20
-31.5
+2.75545529808e-16
 30
 0
 11
-45.5837153422
+37.5
 21
-34
+-0.416284657773
 31
 0
 12
-46.4162846578
+37.5
 22
-34
+0.416284657773
 32
 0
 13
-46.4162846578
+37.5
 23
-34
+0.416284657773
 33
 0
 0
@@ -2671,27 +2671,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-46
+0
 20
-25.5
+2.75545529808e-16
 30
 0
 11
-46.4162846578
+2.5
 21
-23
+0.416284657773
 31
 0
 12
-45.5837153422
+2.5
 22
-23
+-0.416284657773
 32
 0
 13
-45.5837153422
-23
+2.5
 23
+-0.416284657773
 33
 0
 0
@@ -2711,21 +2711,21 @@ CONTINUOUS
 100
 AcDbMText
 10
-44.125
 20
-28.5
+20
+1.875
 30
 0
 40
 2.5
 41
-1.11111111111
+3.33333333333
 71
 5
 72
 1
 1
-6
+40
 7
 standard
 210
@@ -2735,7 +2735,7 @@ standard
 230
 1
 50
-90
+360
 73
 2
 44
@@ -2757,13 +2757,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-45.375
+40
 20
-31.5
+3.775
 11
-44.75
+40
 21
-31.5
+-1.25
 0
 LINE
 5
@@ -2781,13 +2781,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-45.375
+-1.1481063742e-16
 20
-25.5
+-0.625
 11
-44.75
+-2.2962127484e-16
 21
-25.5
+-1.25
 0
 ENDBLK
 5
@@ -3047,7 +3047,7 @@ AcDbEntity
 100
 AcDbBlockBegin
 2
-*D6
+*D4
 70
 1
 10
@@ -3055,7 +3055,7 @@ AcDbBlockBegin
 20
 0
 3
-*D6
+*D4
 1
 
 0
@@ -3075,13 +3075,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-40
+-11
 20
-2.75545529808e-16
-11
 0
+11
+-11
 21
-2.75545529808e-16
+25.5
 0
 SOLID
 5
@@ -3099,27 +3099,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-40
+-11
 20
-2.75545529808e-16
+0
 30
 0
 11
-37.5
+-11.4162846578
 21
--0.416284657773
+2.5
 31
 0
 12
-37.5
+-10.5837153422
 22
-0.416284657773
+2.5
 32
 0
 13
-37.5
+-10.5837153422
 23
-0.416284657773
+2.5
 33
 0
 0
@@ -3139,27 +3139,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
-0
+-11
 20
-2.75545529808e-16
+25.5
 30
 0
 11
-2.5
+-10.5837153422
 21
-0.416284657773
+23
 31
 0
 12
-2.5
+-11.4162846578
 22
--0.416284657773
+23
 32
 0
 13
-2.5
+-11.4162846578
+23
 23
--0.416284657773
 33
 0
 0
@@ -3179,21 +3179,21 @@ CONTINUOUS
 100
 AcDbMText
 10
+-12.875
 20
-20
-1.875
+12.75
 30
 0
 40
 2.5
 41
-3.33333333333
+5.83333333333
 71
 5
 72
 1
 1
-40
+25.5
 7
 standard
 210
@@ -3203,7 +3203,7 @@ standard
 230
 1
 50
-360
+90
 73
 2
 44
@@ -3225,13 +3225,13 @@ CONTINUOUS
 100
 AcDbLine
 10
-40
+-0.625
 20
-3.775
+7.65404249467e-17
 11
-40
+-12.25
 21
--1.25
+1.53080849893e-16
 0
 LINE
 5
@@ -3249,13 +3249,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--1.1481063742e-16
+-1.625
 20
--0.625
+25.5
 11
--2.2962127484e-16
+-12.25
 21
--1.25
+25.5
 0
 ENDBLK
 5
@@ -3281,7 +3281,7 @@ AcDbEntity
 100
 AcDbBlockBegin
 2
-*D4
+*D1
 70
 1
 10
@@ -3289,7 +3289,7 @@ AcDbBlockBegin
 20
 0
 3
-*D4
+*D1
 1
 
 0
@@ -3309,13 +3309,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--11
+12.5
 20
-0
+41
 11
--11
+22.5
 21
-25.5
+41
 0
 SOLID
 5
@@ -3333,27 +3333,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
--11
+12.5
 20
-0
+41
 30
 0
 11
--11.4162846578
+15
 21
-2.5
+41.4162846578
 31
 0
 12
--10.5837153422
+15
 22
-2.5
+40.5837153422
 32
 0
 13
--10.5837153422
+15
 23
-2.5
+40.5837153422
 33
 0
 0
@@ -3373,27 +3373,27 @@ CONTINUOUS
 100
 AcDbTrace
 10
--11
+22.5
 20
-25.5
+41
 30
 0
 11
--10.5837153422
+20
 21
-23
+40.5837153422
 31
 0
 12
--11.4162846578
+20
 22
-23
+41.4162846578
 32
 0
 13
--11.4162846578
-23
+20
 23
+41.4162846578
 33
 0
 0
@@ -3413,21 +3413,21 @@ CONTINUOUS
 100
 AcDbMText
 10
--12.875
+17.5
 20
-12.75
+42.875
 30
 0
 40
 2.5
 41
-5.83333333333
+2.5
 71
 5
 72
 1
 1
-25.5
+10
 7
 standard
 210
@@ -3437,7 +3437,7 @@ standard
 230
 1
 50
-90
+0
 73
 2
 44
@@ -3459,13 +3459,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--0.625
+12.5
 20
-7.65404249467e-17
+36.625
 11
--12.25
+12.5
 21
-1.53080849893e-16
+42.25
 0
 LINE
 5
@@ -3483,13 +3483,13 @@ CONTINUOUS
 100
 AcDbLine
 10
--1.625
+22.5
 20
-25.5
+36.625
 11
--12.25
+22.5
 21
-25.5
+42.25
 0
 ENDBLK
 5
@@ -7614,8 +7614,6 @@ AcDbDimension
 32
 71
 5
-72
-0
 3
 Standard
 53
@@ -11132,6 +11130,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -11192,6 +11192,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -11254,6 +11256,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -11316,6 +11320,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -11378,6 +11384,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -11438,6 +11446,8 @@ AcDbDimension
 32
 71
 5
+72
+0
 3
 Standard
 53
@@ -13267,13 +13277,13 @@ ByLayer
 100
 AcDbLine
 10
-13.75
+21.25
 20
-49
+33.36
 11
-21.25
+30.75
 21
-49
+33.36
 0
 LINE
 5
@@ -13291,13 +13301,13 @@ ByLayer
 100
 AcDbLine
 10
-13.75
+12.75
 20
-35.25
+50.89
 11
-21.25
+13.75
 21
-35.25
+50.89
 0
 LINE
 5
@@ -13315,13 +13325,13 @@ ByLayer
 100
 AcDbLine
 10
-13.75
+12.75
 20
 33.36
 11
 13.75
 21
-50.89
+33.36
 0
 LINE
 5
@@ -13339,13 +13349,13 @@ ByLayer
 100
 AcDbLine
 10
-21.25
+13.75
 20
-33.36
+66.04
 11
 21.25
 21
-50.89
+66.04
 0
 LINE
 5
@@ -13363,13 +13373,13 @@ ByLayer
 100
 AcDbLine
 10
-12.75
+13.75
 20
-33.36
+52.29
 11
-12.75
+21.25
 21
-50.89
+52.29
 0
 LINE
 5
@@ -13387,13 +13397,13 @@ ByLayer
 100
 AcDbLine
 10
-21.25
+13.75
 20
-33.36
+50.4
 11
-30.75
+13.75
 21
-33.36
+67.93
 0
 LINE
 5
@@ -13413,11 +13423,11 @@ AcDbLine
 10
 21.25
 20
-50.89
+50.4
 11
-30.75
+21.25
 21
-50.89
+67.93
 0
 LINE
 5
@@ -13437,11 +13447,11 @@ AcDbLine
 10
 12.75
 20
-50.89
+50.4
 11
-13.75
+12.75
 21
-50.89
+67.93
 0
 LINE
 5
@@ -13459,13 +13469,13 @@ ByLayer
 100
 AcDbLine
 10
-12.75
+21.25
 20
-33.36
+67.93
 11
-13.75
+30.75
 21
-33.36
+67.93
 0
 LINE
 5
@@ -13485,11 +13495,11 @@ AcDbLine
 10
 30.75
 20
-63.29
+80.33
 11
 73.05
 21
-63.29
+80.33
 0
 LINE
 5
@@ -13509,11 +13519,11 @@ AcDbLine
 10
 30.75
 20
-20.96
+38
 11
 73.05
 21
-20.96
+38
 0
 LINE
 5
@@ -13533,11 +13543,11 @@ AcDbLine
 10
 73.05
 20
-20.96
+38
 11
 73.05
 21
-63.29
+80.33
 0
 LINE
 5
@@ -13557,11 +13567,35 @@ AcDbLine
 10
 30.75
 20
-20.96
+38
+11
+30.75
+21
+80.33
+0
+LINE
+5
+20E
+100
+AcDbEntity
+8
+moteurs+poulies
+6
+ByLayer
+62
+256
+370
+-1
+100
+AcDbLine
+10
+21.25
+20
+50.4
 11
 30.75
 21
-63.29
+50.4
 0
 ENDSEC
 0
diff --git a/STL/glissements.stl b/STL/glissements.stl
index d34b497..bb5f812 100644
--- a/STL/glissements.stl
+++ b/STL/glissements.stl
@@ -6658,21 +6658,14 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 0.5 49 0
-      vertex 0.5 49 7.499
+      vertex 21.5 49 7
       vertex 34.5 49 0
+      vertex 21.5 49 3
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 34.5 49 0
-      vertex 0.5 49 7.499
-      vertex 2.5 49 7.499
-    endloop
-  endfacet
-  facet normal 0 1 0
-    outer loop
-      vertex 34.5 49 0
+      vertex 13.5 49 7
       vertex 2.5 49 7.499
       vertex 2.5 49 12.5
     endloop
@@ -6686,39 +6679,123 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 2.5 49 12.5
+      vertex 21.5 49 7
       vertex 0.5 49 19.999
       vertex 34.5 49 0
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 34.5 49 12.5
+      vertex 13.5 49 18
       vertex 0.5 49 19.999
       vertex 34.5 49 19.999
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 32.5 49 12.5
+      vertex 21.5 49 14
+      vertex 32.5 49 7.499
+      vertex 13.5 49 14
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.5 49 14
       vertex 0.5 49 19.999
+      vertex 13.5 49 18
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.5 49 7
+      vertex 2.5 49 12.5
+      vertex 21.5 49 7
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 21.5 49 18
+      vertex 32.5 49 12.5
+      vertex 21.5 49 14
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.5 49 3
+      vertex 0.5 49 7.499
+      vertex 2.5 49 7.499
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 0.5 49 0
+      vertex 0.5 49 7.499
+      vertex 13.5 49 3
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 0.5 49 0
+      vertex 13.5 49 3
+      vertex 34.5 49 0
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 21.5 49 18
       vertex 34.5 49 12.5
+      vertex 32.5 49 12.5
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex 32.5 49 7.499
+      vertex 2.5 49 12.5
       vertex 0.5 49 19.999
-      vertex 32.5 49 12.5
+      vertex 21.5 49 7
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.5 49 3
+      vertex 2.5 49 7.499
+      vertex 13.5 49 7
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 21.5 49 18
+      vertex 13.5 49 18
+      vertex 34.5 49 19.999
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
       vertex 34.5 49 0
       vertex 0.5 49 19.999
+      vertex 13.5 49 14
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 34.5 49 0
+      vertex 13.5 49 14
       vertex 32.5 49 7.499
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 32.5 49 7.499
+      vertex 21.5 49 14
+      vertex 32.5 49 12.5
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 34.5 49 12.5
+      vertex 21.5 49 18
+      vertex 34.5 49 19.999
+    endloop
+  endfacet
   facet normal 0 1 0
     outer loop
       vertex 34.5 49 7.499
@@ -6726,6 +6803,13 @@ solid OpenSCAD_Model
       vertex 32.5 49 7.499
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 21.5 49 3
+      vertex 34.5 49 0
+      vertex 13.5 49 3
+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex -1.88625 46.632 7.499
@@ -13327,17 +13411,101 @@ solid OpenSCAD_Model
       vertex 12.5 36 19.999
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 13.5 46 3
+      vertex 12.5 46 0
+      vertex 22.5 46 0
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 13.5 46 7
+      vertex 21.5 46 7
+      vertex 13.5 46 14
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 12.5 46 19.999
       vertex 12.5 46 0
+      vertex 13.5 46 3
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 13.5 46 18
+      vertex 21.5 46 18
+      vertex 12.5 46 19.999
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 12.5 46 19.999
+      vertex 13.5 46 3
+      vertex 13.5 46 7
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 22.5 46 19.999
+      vertex 21.5 46 7
       vertex 22.5 46 0
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 21.5 46 7
+      vertex 21.5 46 3
+      vertex 22.5 46 0
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 12.5 46 19.999
+      vertex 13.5 46 7
+      vertex 13.5 46 14
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 22.5 46 19.999
+      vertex 12.5 46 19.999
+      vertex 21.5 46 18
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 22.5 46 19.999
+      vertex 21.5 46 14
+      vertex 21.5 46 7
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 22.5 46 19.999
+      vertex 21.5 46 18
+      vertex 21.5 46 14
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 13.5 46 14
+      vertex 13.5 46 18
       vertex 12.5 46 19.999
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 21.5 46 14
+      vertex 13.5 46 14
+      vertex 21.5 46 7
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 21.5 46 3
+      vertex 13.5 46 3
       vertex 22.5 46 0
     endloop
   endfacet
@@ -22805,6 +22973,118 @@ solid OpenSCAD_Model
       vertex 36.8871 46.6129 12.5
     endloop
   endfacet
+  facet normal 1 -2.22045e-16 0
+    outer loop
+      vertex 13.5 49 3
+      vertex 13.5 49 7
+      vertex 13.5 46 7
+    endloop
+  endfacet
+  facet normal 1 -2.22045e-16 0
+    outer loop
+      vertex 13.5 46 3
+      vertex 13.5 49 3
+      vertex 13.5 46 7
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 21.5 49 7
+      vertex 21.5 46 7
+      vertex 13.5 49 7
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 13.5 49 7
+      vertex 21.5 46 7
+      vertex 13.5 46 7
+    endloop
+  endfacet
+  facet normal -1 2.22045e-16 0
+    outer loop
+      vertex 21.5 49 7
+      vertex 21.5 49 3
+      vertex 21.5 46 7
+    endloop
+  endfacet
+  facet normal -1 2.22045e-16 0
+    outer loop
+      vertex 21.5 46 7
+      vertex 21.5 49 3
+      vertex 21.5 46 3
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 21.5 46 3
+      vertex 21.5 49 3
+      vertex 13.5 49 3
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 13.5 46 3
+      vertex 21.5 46 3
+      vertex 13.5 49 3
+    endloop
+  endfacet
+  facet normal 1 -2.22045e-16 0
+    outer loop
+      vertex 13.5 49 14
+      vertex 13.5 49 18
+      vertex 13.5 46 18
+    endloop
+  endfacet
+  facet normal 1 -2.22045e-16 0
+    outer loop
+      vertex 13.5 46 14
+      vertex 13.5 49 14
+      vertex 13.5 46 18
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 21.5 49 18
+      vertex 21.5 46 18
+      vertex 13.5 49 18
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 13.5 49 18
+      vertex 21.5 46 18
+      vertex 13.5 46 18
+    endloop
+  endfacet
+  facet normal -1 2.22045e-16 0
+    outer loop
+      vertex 21.5 49 18
+      vertex 21.5 49 14
+      vertex 21.5 46 18
+    endloop
+  endfacet
+  facet normal -1 2.22045e-16 0
+    outer loop
+      vertex 21.5 46 18
+      vertex 21.5 49 14
+      vertex 21.5 46 14
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 21.5 46 14
+      vertex 21.5 49 14
+      vertex 13.5 49 14
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 13.5 46 14
+      vertex 21.5 46 14
+      vertex 13.5 49 14
+    endloop
+  endfacet
   facet normal -0.999493 0.031831 0
     outer loop
       vertex -0.015 51.129 7.499
@@ -22882,32 +23162,32 @@ solid OpenSCAD_Model
       vertex -0.015 51.129 7.499
     endloop
   endfacet
-  facet normal 0.982288 4.16067e-17 0.18738
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
-      vertex -6.45287 30.5 4.62696
-      vertex -6.45287 38 4.62696
+      vertex -6.48817 30.5 4.812
       vertex -6.48817 38 4.812
+      vertex -6.5 38 5
     endloop
   endfacet
-  facet normal 0.982288 4.16067e-17 0.18738
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
+      vertex -6.5 30.5 5
       vertex -6.48817 30.5 4.812
-      vertex -6.45287 30.5 4.62696
-      vertex -6.48817 38 4.812
+      vertex -6.5 38 5
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.982288 4.16067e-17 0.18738
     outer loop
-      vertex -6.48817 30.5 4.812
+      vertex -6.45287 30.5 4.62696
+      vertex -6.45287 38 4.62696
       vertex -6.48817 38 4.812
-      vertex -6.5 38 5
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.982288 4.16067e-17 0.18738
     outer loop
-      vertex -6.5 30.5 5
       vertex -6.48817 30.5 4.812
-      vertex -6.5 38 5
+      vertex -6.45287 30.5 4.62696
+      vertex -6.48817 38 4.812
     endloop
   endfacet
   facet normal 0.998027 -1.39423e-17 -0.0627907
@@ -27789,32 +28069,32 @@ solid OpenSCAD_Model
       vertex -7.97634 9.5 15.376
     endloop
   endfacet
-  facet normal 0.998027 -1.39423e-17 -0.0627907
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
+      vertex -6.48817 8.5 14.812
+      vertex -6.48817 12.5 14.812
       vertex -6.5 12.5 15
-      vertex -6.48817 12.5 15.188
-      vertex -6.48817 8.5 15.188
     endloop
   endfacet
-  facet normal 0.998027 -1.39423e-17 -0.0627907
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
       vertex -6.5 8.5 15
+      vertex -6.48817 8.5 14.812
       vertex -6.5 12.5 15
-      vertex -6.48817 8.5 15.188
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.998027 -1.39423e-17 -0.0627907
     outer loop
-      vertex -6.48817 8.5 14.812
-      vertex -6.48817 12.5 14.812
       vertex -6.5 12.5 15
+      vertex -6.48817 12.5 15.188
+      vertex -6.48817 8.5 15.188
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.998027 -1.39423e-17 -0.0627907
     outer loop
       vertex -6.5 8.5 15
-      vertex -6.48817 8.5 14.812
       vertex -6.5 12.5 15
+      vertex -6.48817 8.5 15.188
     endloop
   endfacet
   facet normal 0.982288 -4.16067e-17 -0.18738
@@ -40389,32 +40669,32 @@ solid OpenSCAD_Model
       vertex 25.501 -7.97634 15.376
     endloop
   endfacet
-  facet normal 2.59718e-16 0.982288 -0.18738
+  facet normal 2.35549e-16 0.998027 -0.0627907
     outer loop
-      vertex 26.5 -6.45288 15.373
       vertex 26.5 -6.48817 15.188
-      vertex 22.5 -6.45287 15.373
+      vertex 26.5 -6.5 15
+      vertex 22.5 -6.48817 15.188
     endloop
   endfacet
-  facet normal 2.59718e-16 0.982288 -0.18738
+  facet normal 2.35549e-16 0.998027 -0.0627907
     outer loop
-      vertex 22.5 -6.45287 15.373
-      vertex 26.5 -6.48817 15.188
       vertex 22.5 -6.48817 15.188
+      vertex 26.5 -6.5 15
+      vertex 22.5 -6.5 15
     endloop
   endfacet
-  facet normal 2.35549e-16 0.998027 -0.0627907
+  facet normal 2.59718e-16 0.982288 -0.18738
     outer loop
+      vertex 26.5 -6.45288 15.373
       vertex 26.5 -6.48817 15.188
-      vertex 26.5 -6.5 15
-      vertex 22.5 -6.48817 15.188
+      vertex 22.5 -6.45287 15.373
     endloop
   endfacet
-  facet normal 2.35549e-16 0.998027 -0.0627907
+  facet normal 2.59718e-16 0.982288 -0.18738
     outer loop
+      vertex 22.5 -6.45287 15.373
+      vertex 26.5 -6.48817 15.188
       vertex 22.5 -6.48817 15.188
-      vertex 26.5 -6.5 15
-      vertex 22.5 -6.5 15
     endloop
   endfacet
   facet normal 2.79793e-16 0.951057 -0.309017
@@ -41089,32 +41369,32 @@ solid OpenSCAD_Model
       vertex 22.5 -6.5 15
     endloop
   endfacet
-  facet normal 2.35549e-16 0.998027 -0.0627907
+  facet normal 2.07664e-16 0.998027 0.0627907
     outer loop
+      vertex 12.5 -6.48817 4.812
+      vertex 8.5 -6.48817 4.812
       vertex 12.5 -6.5 5
-      vertex 8.5 -6.5 5
-      vertex 12.5 -6.48817 5.188
     endloop
   endfacet
-  facet normal 2.35549e-16 0.998027 -0.0627907
+  facet normal 2.07664e-16 0.998027 0.0627907
     outer loop
-      vertex 12.5 -6.48817 5.188
+      vertex 12.5 -6.5 5
+      vertex 8.5 -6.48817 4.812
       vertex 8.5 -6.5 5
-      vertex 8.5 -6.48817 5.188
     endloop
   endfacet
-  facet normal 2.07664e-16 0.998027 0.0627907
+  facet normal 2.35549e-16 0.998027 -0.0627907
     outer loop
-      vertex 12.5 -6.48817 4.812
-      vertex 8.5 -6.48817 4.812
       vertex 12.5 -6.5 5
+      vertex 8.5 -6.5 5
+      vertex 12.5 -6.48817 5.188
     endloop
   endfacet
-  facet normal 2.07664e-16 0.998027 0.0627907
+  facet normal 2.35549e-16 0.998027 -0.0627907
     outer loop
-      vertex 12.5 -6.5 5
-      vertex 8.5 -6.48817 4.812
+      vertex 12.5 -6.48817 5.188
       vertex 8.5 -6.5 5
+      vertex 8.5 -6.48817 5.188
     endloop
   endfacet
   facet normal 1.76505e-16 0.982288 0.18738
@@ -76516,31 +76796,31 @@ solid OpenSCAD_Model
       vertex 42.5497 44.1016 11.9179
     endloop
   endfacet
-  facet normal 3.12625e-16 0.770515 -0.637422
+  facet normal 3.13864e-16 0.684546 -0.728969
     outer loop
-      vertex 4.5 -6.21353 5.88168
-      vertex -4.65229e-16 -6.21353 5.88168
+      vertex 4.5 -5.95614 6.15577
       vertex 4.5 -6.09345 6.02682
+      vertex -4.68937e-16 -5.95614 6.15577
     endloop
   endfacet
-  facet normal 3.12625e-16 0.770515 -0.637422
+  facet normal 3.13864e-16 0.684546 -0.728969
     outer loop
+      vertex -4.68937e-16 -5.95614 6.15577
       vertex 4.5 -6.09345 6.02682
-      vertex -4.65229e-16 -6.21353 5.88168
       vertex -4.70795e-16 -6.09345 6.02682
     endloop
   endfacet
-  facet normal 3.13864e-16 0.684546 -0.728969
+  facet normal 3.12625e-16 0.770515 -0.637422
     outer loop
-      vertex 4.5 -5.95614 6.15577
+      vertex 4.5 -6.21353 5.88168
+      vertex -4.65229e-16 -6.21353 5.88168
       vertex 4.5 -6.09345 6.02682
-      vertex -4.68937e-16 -5.95614 6.15577
     endloop
   endfacet
-  facet normal 3.13864e-16 0.684546 -0.728969
+  facet normal 3.12625e-16 0.770515 -0.637422
     outer loop
-      vertex -4.68937e-16 -5.95614 6.15577
       vertex 4.5 -6.09345 6.02682
+      vertex -4.65229e-16 -6.21353 5.88168
       vertex -4.70795e-16 -6.09345 6.02682
     endloop
   endfacet
@@ -77216,32 +77496,32 @@ solid OpenSCAD_Model
       vertex -4.65229e-16 -6.21353 5.88168
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.998027 -1.39423e-17 -0.0627907
     outer loop
-      vertex -6.48817 -2 14.812
-      vertex -6.48817 4.5 14.812
       vertex -6.5 4.5 15
+      vertex -6.48817 4.5 15.188
+      vertex -6.48817 -2 15.188
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.998027 -1.39423e-17 -0.0627907
     outer loop
       vertex -6.5 -2 15
-      vertex -6.48817 -2 14.812
       vertex -6.5 4.5 15
+      vertex -6.48817 -2 15.188
     endloop
   endfacet
-  facet normal 0.998027 -1.39423e-17 -0.0627907
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
+      vertex -6.48817 -2 14.812
+      vertex -6.48817 4.5 14.812
       vertex -6.5 4.5 15
-      vertex -6.48817 4.5 15.188
-      vertex -6.48817 -2 15.188
     endloop
   endfacet
-  facet normal 0.998027 -1.39423e-17 -0.0627907
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
       vertex -6.5 -2 15
+      vertex -6.48817 -2 14.812
       vertex -6.5 4.5 15
-      vertex -6.48817 -2 15.188
     endloop
   endfacet
   facet normal 0.982288 4.16067e-17 0.18738
@@ -87877,13 +88157,6 @@ solid OpenSCAD_Model
       vertex 38.0158 30.5 15.2507
     endloop
   endfacet
-  facet normal -0.706408 0.706408 0.0444436
-    outer loop
-      vertex 38 26.5 15
-      vertex 37.001 25.501 15
-      vertex 37.0246 25.501 15.3756
-    endloop
-  endfacet
   facet normal -0.706408 0.706408 -0.0444446
     outer loop
       vertex 37.001 25.501 15
@@ -87898,6 +88171,13 @@ solid OpenSCAD_Model
       vertex 38.0158 26.5 14.7493
     endloop
   endfacet
+  facet normal -0.706408 0.706408 0.0444436
+    outer loop
+      vertex 38 26.5 15
+      vertex 37.001 25.501 15
+      vertex 37.0246 25.501 15.3756
+    endloop
+  endfacet
   facet normal -0.706408 0.706408 0.0444446
     outer loop
       vertex 37.0246 25.501 15.3756
@@ -89949,13 +90229,6 @@ solid OpenSCAD_Model
       vertex 37.0246 9.499 4.62438
     endloop
   endfacet
-  facet normal -0.706408 0.706408 0.0444436
-    outer loop
-      vertex 38 4.5 5
-      vertex 37.001 3.501 5
-      vertex 37.0246 3.501 5.37562
-    endloop
-  endfacet
   facet normal -0.706408 0.706408 -0.0444446
     outer loop
       vertex 37.001 3.501 5
@@ -89970,6 +90243,13 @@ solid OpenSCAD_Model
       vertex 38.0158 4.5 4.74933
     endloop
   endfacet
+  facet normal -0.706408 0.706408 0.0444436
+    outer loop
+      vertex 38 4.5 5
+      vertex 37.001 3.501 5
+      vertex 37.0246 3.501 5.37562
+    endloop
+  endfacet
   facet normal -0.706408 0.706408 0.0444446
     outer loop
       vertex 37.0246 3.501 5.37562
@@ -95129,13 +95409,6 @@ solid OpenSCAD_Model
       vertex 4.5 -6.27485 6.54103
     endloop
   endfacet
-  facet normal -0.706408 0.706408 0.0444436
-    outer loop
-      vertex -7 4.5 15
-      vertex -7.999 3.501 15
-      vertex -7.97537 3.501 15.3756
-    endloop
-  endfacet
   facet normal -0.706408 0.706408 -0.0444446
     outer loop
       vertex -7.999 3.501 15
@@ -95150,6 +95423,13 @@ solid OpenSCAD_Model
       vertex -6.98423 4.5 14.7493
     endloop
   endfacet
+  facet normal -0.706408 0.706408 0.0444436
+    outer loop
+      vertex -7 4.5 15
+      vertex -7.999 3.501 15
+      vertex -7.97537 3.501 15.3756
+    endloop
+  endfacet
   facet normal -0.706408 0.706408 0.0444446
     outer loop
       vertex -7.97537 3.501 15.3756
@@ -96165,32 +96445,32 @@ solid OpenSCAD_Model
       vertex -6.98423 4.5 14.7493
     endloop
   endfacet
-  facet normal 0.982288 4.16067e-17 0.18738
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
-      vertex 38.5471 30.5 14.627
-      vertex 38.5471 38 14.627
+      vertex 38.5118 30.5 14.812
       vertex 38.5118 38 14.812
+      vertex 38.5 38 15
     endloop
   endfacet
-  facet normal 0.982288 4.16067e-17 0.18738
+  facet normal 0.998027 1.39423e-17 0.0627907
     outer loop
+      vertex 38.5 30.5 15
       vertex 38.5118 30.5 14.812
-      vertex 38.5471 30.5 14.627
-      vertex 38.5118 38 14.812
+      vertex 38.5 38 15
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.982288 4.16067e-17 0.18738
     outer loop
-      vertex 38.5118 30.5 14.812
+      vertex 38.5471 30.5 14.627
+      vertex 38.5471 38 14.627
       vertex 38.5118 38 14.812
-      vertex 38.5 38 15
     endloop
   endfacet
-  facet normal 0.998027 1.39423e-17 0.0627907
+  facet normal 0.982288 4.16067e-17 0.18738
     outer loop
-      vertex 38.5 30.5 15
       vertex 38.5118 30.5 14.812
-      vertex 38.5 38 15
+      vertex 38.5471 30.5 14.627
+      vertex 38.5118 38 14.812
     endloop
   endfacet
   facet normal 0.998027 -1.39423e-17 -0.0627907
diff --git a/img/glissement.png b/img/glissement.png
index 5699675..1e61766 100644
Binary files a/img/glissement.png and b/img/glissement.png differ
diff --git a/img/glissement200.png b/img/glissement200.png
index 34aef5c..0bd6408 100644
Binary files a/img/glissement200.png and b/img/glissement200.png differ