diff --git a/coasters.3mf b/coasters.3mf
new file mode 100644
index 0000000..fb7cc15
Binary files /dev/null and b/coasters.3mf differ
diff --git a/coasters.step b/coasters.step
new file mode 100644
index 0000000..ee08a24
--- /dev/null
+++ b/coasters.step
@@ -0,0 +1,1002 @@
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+#811 = PRODUCT_DEFINITION_SHAPE('Placement','Placement of an item',#812
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+ENDSEC;
+END-ISO-10303-21;