diff --git a/conics/docs/images/conics-overview.svg b/conics/docs/images/conics-overview.svg
index 51b80e6..ba60512 100644
--- a/conics/docs/images/conics-overview.svg
+++ b/conics/docs/images/conics-overview.svg
@@ -367,7 +367,7 @@
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+<path fill-rule="evenodd" fill="rgb(100%, 100%, 100%)" fill-opacity="1" stroke-width="0.1" stroke-linecap="butt" stroke-linejoin="miter" stroke="rgb(100%, 100%, 100%)" stroke-opacity="1" stroke-miterlimit="10" d="M 0 0 L 0 680 L 1200 680 L 1200 0 Z M 0 0 " transform="matrix(1, 0, 0, -1, 1, 681)"/>
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diff --git a/conics/examples/conics-overview.ipe b/conics/examples/conics-overview.ipe
index 348ed02..ad00f85 100644
--- a/conics/examples/conics-overview.ipe
+++ b/conics/examples/conics-overview.ipe
@@ -18,7 +18,7 @@
 <page title="Conics overview">
 <layer name="alpha"/>
 <view layers="alpha" active="alpha"/>
-<path layer="alpha" stroke="hex_ffffff" pen="0.1" join="0">
+<path layer="alpha" stroke="hex_ffffff" fill="hex_ffffff" pen="0.1" join="0">
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@@ -145,7 +145,7 @@ h
 <page title="Conic through five points">
 <layer name="alpha"/>
 <view layers="alpha" active="alpha"/>
-<path layer="alpha" stroke="hex_ffffff" pen="0.1" join="0">
+<path layer="alpha" stroke="hex_ffffff" fill="hex_ffffff" pen="0.1" join="0">
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@@ -189,7 +189,7 @@ h
 <page title="Editable property guides">
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 <view layers="alpha" active="alpha"/>
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+<path layer="alpha" stroke="hex_ffffff" fill="hex_ffffff" pen="0.1" join="0">
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@@ -254,7 +254,7 @@ h
 <page title="Multiple exact parabolas">
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 <view layers="alpha" active="alpha"/>
-<path layer="alpha" stroke="hex_ffffff" pen="0.1" join="0">
+<path layer="alpha" stroke="hex_ffffff" fill="hex_ffffff" pen="0.1" join="0">
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@@ -306,7 +306,7 @@ h
 <page title="Exact and adaptive open conics">
 <layer name="alpha"/>
 <view layers="alpha" active="alpha"/>
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+<path layer="alpha" stroke="hex_ffffff" fill="hex_ffffff" pen="0.1" join="0">
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