diff --git a/terrace_chair_plug/Terrace_chair_plug_v1.stl b/terrace_chair_plug/Terrace_chair_plug_v1.stl
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index 0000000..099027a
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diff --git a/terrace_chair_plug/Terrace_chair_plug_v2.stl b/terrace_chair_plug/Terrace_chair_plug_v2.stl
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index 0000000..9c2166e
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diff --git a/terrace_chair_plug/Terrace_chair_plug_v3.stl b/terrace_chair_plug/Terrace_chair_plug_v3.stl
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index 0000000..df70263
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diff --git a/terrace_chair_plug/Terrace_chair_plug_v4.stl b/terrace_chair_plug/Terrace_chair_plug_v4.stl
new file mode 100644
index 0000000..8d9e07c
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