diff --git a/matemat.pretty/SOT-223.kicad_mod b/matemat.pretty/SOT-223.kicad_mod
new file mode 100644
index 0000000..2115f93
--- /dev/null
+++ b/matemat.pretty/SOT-223.kicad_mod
@@ -0,0 +1,29 @@
+(module SOT-223 (layer F.Cu)
+  (at 0 0)
+  (descr "module CMS SOT223 4 pins")
+  (tags "CMS SOT")
+  (attr smd)
+  (fp_text reference REF** (at 0 -0.762) (layer F.SilkS)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text value SOT-223 (at 0 0.762) (layer F.Fab)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_line (start -3.556 1.524) (end -3.556 4.572) (layer F.SilkS) (width 0.15))
+  (fp_line (start -3.556 4.572) (end 3.556 4.572) (layer F.SilkS) (width 0.15))
+  (fp_line (start 3.556 4.572) (end 3.556 1.524) (layer F.SilkS) (width 0.15))
+  (fp_line (start -3.556 -1.524) (end -3.556 -2.286) (layer F.SilkS) (width 0.15))
+  (fp_line (start -3.556 -2.286) (end -2.032 -4.572) (layer F.SilkS) (width 0.15))
+  (fp_line (start -2.032 -4.572) (end 2.032 -4.572) (layer F.SilkS) (width 0.15))
+  (fp_line (start 2.032 -4.572) (end 3.556 -2.286) (layer F.SilkS) (width 0.15))
+  (fp_line (start 3.556 -2.286) (end 3.556 -1.524) (layer F.SilkS) (width 0.15))
+  (pad 4 smd rect (at 0 -3.302) (size 3.6576 2.032) (layers F.Cu F.Paste F.Mask))
+  (pad 2 smd rect (at 0 3.302) (size 1.016 2.032) (layers F.Cu F.Paste F.Mask))
+  (pad 3 smd rect (at 2.286 3.302) (size 1.016 2.032) (layers F.Cu F.Paste F.Mask))
+  (pad 1 smd rect (at -2.286 3.302) (size 1.016 2.032) (layers F.Cu F.Paste F.Mask))
+  (model TO_SOT_Packages_SMD.3dshapes/SOT-223.wrl
+    (at (xyz 0 0 0))
+    (scale (xyz 0.4 0.4 0.4))
+    (rotate (xyz 0 0 0))
+  )
+)