diff --git a/models/154821.diagram b/models/154821.diagram
new file mode 100644
index 0000000..3cc13ed
--- /dev/null
+++ b/models/154821.diagram
@@ -0,0 +1,55 @@
+format 223
+
+classcanvas 128965 class_ref 128069 // bankomatKontroler
+  classdiagramsettings member_max_width 0 end
+  xyz 11 18.5 2000
+end
+classcanvas 129221 class_ref 129989 // system_czytnika_kart
+  classdiagramsettings member_max_width 0 end
+  xyz 27 345 3005
+end
+classcanvas 129477 class_ref 128453 // sot
+  classdiagramsettings member_max_width 0 end
+  xyz 280.5 87 2000
+end
+classcanvas 129605 class_ref 137413 // transakcja
+  classdiagramsettings member_max_width 0 end
+  xyz 581.5 109.5 3005
+end
+classcanvas 129861 class_ref 129221 // system_bankowy
+  classdiagramsettings member_max_width 0 end
+  xyz 401.5 344 3005
+end
+classcanvas 131013 class_ref 128325 // karta
+  classdiagramsettings member_max_width 0 end
+  xyz 246 337.5 2000
+end
+relationcanvas 130629 relation_ref 145861 // Przechowuje
+  from ref 129477 z 3006 label "Przechowuje" italic max_width 255 xyz 506.5 148 3000 to ref 129605
+  no_role_a no_role_b
+  multiplicity_a_pos 571 170 3000 multiplicity_b_pos 501 171 3000
+end
+relationcanvas 130757 relation_ref 145989 // Posiada
+  from ref 128965 z 3006 label "Posiada" italic max_width 255 xyz 52 270.5 3000 to ref 129221
+  no_role_a no_role_b
+  multiplicity_a_pos 81 329 3000 multiplicity_b_pos 83 217 3000
+end
+relationcanvas 130885 relation_ref 146117 // Obsluguje
+  decenter_begin 810
+  from ref 129477 z 3006 label "Obsluguje" italic max_width 255 xyz 456 282.5 3000 to ref 129861
+  no_role_a no_role_b
+  no_multiplicity_a no_multiplicity_b
+end
+relationcanvas 131141 relation_ref 146245 // Obsluguje
+  from ref 129221 z 3006 label "Obsluguje" italic max_width 255 xyz 174.5 353 3000 to ref 131013
+  no_role_a no_role_b
+  multiplicity_a_pos 233 375 3000 multiplicity_b_pos 162 375 3000
+end
+relationcanvas 131653 relation_ref 146373 // Wywoluje
+  decenter_begin 583
+  decenter_end 282
+  from ref 128965 z 2001 label "Wywoluje" italic max_width 255 xyz 206 119 3000 to ref 129477
+  no_role_a no_role_b
+  no_multiplicity_a no_multiplicity_b
+end
+end