diff --git a/src/ag-chart.c b/src/ag-chart.c
index e5eff28..b59cfb7 100644
--- a/src/ag-chart.c
+++ b/src/ag-chart.c
@@ -1754,13 +1754,19 @@ ag_chart_create_svg(AgChart        *chart,
         return NULL;
     }
 
-    params    = g_new0(gchar *, 5);
+    params    = g_new0(gchar *, 11);
     params[0] = "rendering";
     params[1] = (rendering) ? "'yes'" : "'no'";
     params[2] = "additional-css";
     css       = ag_display_theme_to_css(theme);
     params[3] = g_strdup_printf("\"%s\"", css);
     g_free(css);
+    params[4] = "chart-size";
+    params[5] = g_strdup_printf("%d", AG_CHART_DEFAULT_RING_SIZE);
+    params[6] = "image-size";
+    params[7] = "0";
+    params[8] = "icon-size";
+    params[9] = g_strdup_printf("%d", AG_CHART_DEFAULT_ICON_SIZE);
 
     // libxml2 messes up the output, as it prints decimal floating point
     // numbers in a localized format. It is not good in locales that use a
@@ -1774,6 +1780,8 @@ ag_chart_create_svg(AgChart        *chart,
     xsltFreeStylesheet(xslt_proc);
     xmlFreeDoc(doc);
     g_free(params[3]);
+    g_free(params[5]);
+    g_free(params[9]);
     g_free(params);
 
     // Now, svg_doc contains the generated SVG file
diff --git a/src/ag-chart.h b/src/ag-chart.h
index fc0397a..440369a 100644
--- a/src/ag-chart.h
+++ b/src/ag-chart.h
@@ -26,6 +26,9 @@
 #include "ag-db.h"
 #include "ag-display-theme.h"
 
+#define AG_CHART_DEFAULT_RING_SIZE 600
+#define AG_CHART_DEFAULT_ICON_SIZE 30
+
 G_BEGIN_DECLS
 
 typedef enum {
@@ -63,7 +66,10 @@ struct _AgChartClass {
     GsweMomentClass parent_class;
 };
 
-typedef void (*AgChartSaveImageFunc)(AgChart *, GFile *, AgDisplayTheme *, GError **);
+typedef void (*AgChartSaveImageFunc)(AgChart *,
+                                     GFile *,
+                                     AgDisplayTheme *,
+                                     GError **);
 
 GType ag_chart_get_type(void) G_GNUC_CONST;
 
diff --git a/src/resources/ui/chart-default.xsl b/src/resources/ui/chart-default.xsl
index 96d8459..eb4c947 100644
--- a/src/resources/ui/chart-default.xsl
+++ b/src/resources/ui/chart-default.xsl
@@ -15,13 +15,53 @@
     <xsl:variable name="asc" select="chartinfo/ascmcs/ascendant/@degree_ut" />
     <xsl:variable name="asc_rotate" select="$asc - 180"/>
     <xsl:variable name="PI" select="math:constant('PI', 10)" />
-    <xsl:variable name="chart_size" select="600" />
-    <xsl:variable name="icon_size" select="30" />
     <xsl:variable name="max_dist" select="/chartinfo/bodies/body/@dist[not(. &lt; ../../body/@dist)][1]" />
-    <xsl:variable name="image_size" select="$chart_size + 2.82 * $icon_size * ($max_dist + 2)" />
-    <xsl:variable name="r_aspect" select="$chart_size * 0.4" />
+    <xsl:variable name="loaded_icon_size" select="30" />
+    <xsl:variable name="icon_size">
+      <xsl:choose>
+        <xsl:when test="$icon-size != 0">
+          <xsl:value-of select="$icon-size"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$loaded_icon_size"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+    <xsl:variable name="icon_scale" select="$icon_size div $loaded_icon_size" />
+    <xsl:variable name="chart_size">
+      <xsl:choose>
+        <xsl:when test="$chart-size != 0">
+          <xsl:value-of select="$chart-size"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$image-size - 2.82 * $icon_size * ($max_dist + 2)"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+    <xsl:variable name="image_size">
+      <xsl:choose>
+        <xsl:when test="$chart-size != 0">
+          <xsl:value-of select="$chart-size + 2.82 * $icon_size * ($max_dist + 2)"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$image-size"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+
+    <xsl:variable name="r_outer" select="$chart_size * 0.5" />
+    <xsl:variable name="r_signs" select="$r_outer - ($icon_size * 1.5)" />
+    <xsl:variable name="r_aspect" select="$r_signs - ($icon_size * 0.5)" />
+    <xsl:variable name="r_houses" select="$chart_size * 0.116666" />
     <xsl:variable name="r_moon" select="$chart_size * 0.083333" />
 
+    <xsl:variable name="sign_pos" select="$r_signs + ($icon_size * 0.25)" />
+
+    <xsl:variable name="deg_len" select="($r_signs - $r_aspect)" />
+    <xsl:variable name="deg5_len" select="$deg_len * 0.75" />
+    <xsl:variable name="deg1_len" select="$deg_len * 0.3" />
+    <xsl:variable name="planet_marker_len" select="$icon_size div 2" />
+
     <xsl:template name="planet-template">
         <xsl:param name="planet_name"/>
         <xsl:param name="planet_base"/>
@@ -35,22 +75,25 @@
             <xsl:attribute name="class">planet planet-<xsl:value-of select="$planet_name"/></xsl:attribute>
             <xsl:attribute name="transform">rotate(<xsl:value-of select="-$rotate"/>, 0, 0)</xsl:attribute>
             <line y1="0" y2="0" class="planet-marker">
-                <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.383333"/></xsl:attribute>
-                <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.4"/></xsl:attribute>
+                <xsl:attribute name="x1"><xsl:value-of select="$r_aspect - $planet_marker_len"/></xsl:attribute>
+                <xsl:attribute name="x2"><xsl:value-of select="$r_aspect"/></xsl:attribute>
             </line>
             <line y1="0" y2="0" class="planet-marker">
-                <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.5"/></xsl:attribute>
-                <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.516666"/></xsl:attribute>
+                <xsl:attribute name="x1"><xsl:value-of select="$r_outer"/></xsl:attribute>
+                <xsl:attribute name="x2"><xsl:value-of select="$r_outer + $planet_marker_len"/></xsl:attribute>
             </line>
             <g>
               <xsl:attribute name="transform">translate(<xsl:value-of select="$chart_size * 0.55 + $dist * ($icon_size * 1.1666666)"/>, <xsl:value-of select="-$icon_size div 2"/>) rotate(<xsl:value-of select="$rotate - $asc_rotate"/>, <xsl:value-of select="$icon_size div 2"/>, <xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
                 <use class="planet-symbol">
                     <xsl:attribute name="xlink:href">#<xsl:value-of select="$planet_base"/>_tmpl</xsl:attribute>
-                    <xsl:choose>
-                        <xsl:when test="$upside-down='yes'">
-                            <xsl:attribute name="transform">rotate(180, <xsl:value-of select="$icon_size div 2"/>, <xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
-                        </xsl:when>
-                    </xsl:choose>
+                    <xsl:attribute name="transform">
+                        <xsl:choose>
+                            <xsl:when test="$upside-down='yes'">
+                                rotate(180, <xsl:value-of select="$icon_size div 2"/>, <xsl:value-of select="$icon_size div 2"/>)
+                            </xsl:when>
+                        </xsl:choose>
+                        scale(<xsl:value-of select="$icon_scale" />)
+                    </xsl:attribute>
                 </use>
                 <xsl:choose>
                     <xsl:when test="$retrograde='True'">
@@ -151,24 +194,24 @@
                     <xsl:attribute name="transform"><xsl:value-of select="concat('rotate(', $asc_rotate, ',0,0)')" /></xsl:attribute>
                     <g id="base">
                         <circle id="outer_circle" cx="0" cy="0" class="thick">
-                            <xsl:attribute name="r"><xsl:value-of select="$chart_size * 0.5"/></xsl:attribute>
+                            <xsl:attribute name="r"><xsl:value-of select="$r_outer"/></xsl:attribute>
                         </circle>
                         <circle id="middle_circle" cx="0" cy="0" class="thin">
-                            <xsl:attribute name="r"><xsl:value-of select="$chart_size * 0.425333"/></xsl:attribute>
+                            <xsl:attribute name="r"><xsl:value-of select="$r_signs"/></xsl:attribute>
                         </circle>
                         <circle id="inner_circle" cx="0" cy="0" class="thick">
                             <xsl:attribute name="r"><xsl:value-of select="$r_aspect"/></xsl:attribute>
                         </circle>
                         <circle id="house_circle" cx="0" cy="0" class="thin">
-                            <xsl:attribute name="r"><xsl:value-of select="$chart_size * 0.116666"/></xsl:attribute>
+                            <xsl:attribute name="r"><xsl:value-of select="$r_houses"/></xsl:attribute>
                         </circle>
                         <circle id="moon_circle" cx="0" cy="0" class="thick" style="fill:#00000;stroke:none">
                             <xsl:attribute name="r"><xsl:value-of select="$r_moon"/></xsl:attribute>
                         </circle>
 
                         <line id="aries_start" y1="0" y2="0" class="degree-thick">
-                            <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.4"/></xsl:attribute>
-                            <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.5"/></xsl:attribute>
+                            <xsl:attribute name="x1"><xsl:value-of select="$r_aspect"/></xsl:attribute>
+                            <xsl:attribute name="x2"><xsl:value-of select="$r_outer"/></xsl:attribute>
                         </line>
                         <use x="0" y="0" xlink:href="#aries_start" id="taurus_start" transform="rotate(-30,0,0)" class="degree-thick" />
                         <use x="0" y="0" xlink:href="#aries_start" id="gemini_start" transform="rotate(-60,0,0)" class="degree-thick" />
@@ -183,8 +226,8 @@
                         <use x="0" y="0" xlink:href="#aries_start" id="pisces_start" transform="rotate(-330,0,0)" class="degree-thick" />
 
                         <line id="deg_10" y1="0" y2="0" transform="rotate(-10,0,0)" class="degree-thin">
-                            <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.4"/></xsl:attribute>
-                            <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.425"/></xsl:attribute>
+                            <xsl:attribute name="x1"><xsl:value-of select="$r_aspect"/></xsl:attribute>
+                            <xsl:attribute name="x2"><xsl:value-of select="$r_signs"/></xsl:attribute>
                         </line>
                         <use x="0" y="0" xlink:href="#deg_10" id="deg_20" transform="rotate(-10,0,0)" class="degree-thin" />
                         <use x="0" y="0" xlink:href="#deg_10" id="deg_40" transform="rotate(-30,0,0)" class="degree-thin" />
@@ -211,8 +254,8 @@
                         <use x="0" y="0" xlink:href="#deg_10" id="deg_350" transform="rotate(-340,0,0)" class="degree-thin" />
 
                         <line id="deg_5" y1="0" y2="0" transform="rotate(-5,0,0)" class="degree-thin">
-                            <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.4"/></xsl:attribute>
-                            <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.416666"/></xsl:attribute>
+                            <xsl:attribute name="x1"><xsl:value-of select="$r_aspect"/></xsl:attribute>
+                            <xsl:attribute name="x2"><xsl:value-of select="$r_aspect + $deg5_len"/></xsl:attribute>
                         </line>
                         <use x="0" y="0" xlink:href="#deg_5" id="deg_15" transform="rotate(-10,0,0)" class="degree-thin" />
                         <use x="0" y="0" xlink:href="#deg_5" id="deg_25" transform="rotate(-20,0,0)" class="degree-thin" />
@@ -251,8 +294,8 @@
                         <use x="0" y="0" xlink:href="#deg_5" id="deg_355" transform="rotate(-350,0,0)" class="degree-thin" />
 
                         <line id="deg_1" y1="0" y2="0" transform="rotate(-1,0,0)" class="degree-thin">
-                            <xsl:attribute name="x1"><xsl:value-of select="$chart_size * 0.4"/></xsl:attribute>
-                            <xsl:attribute name="x2"><xsl:value-of select="$chart_size * 0.408333"/></xsl:attribute>
+                            <xsl:attribute name="x1"><xsl:value-of select="$r_aspect"/></xsl:attribute>
+                            <xsl:attribute name="x2"><xsl:value-of select="$r_aspect + $deg1_len"/></xsl:attribute>
                         </line>
                         <use x="0" y="0" xlink:href="#deg_1" id="deg_2" transform="rotate(-1,0,0)" class="degree-thin" />
                         <use x="0" y="0" xlink:href="#deg_1" id="deg_3" transform="rotate(-2,0,0)" class="degree-thin" />
@@ -543,40 +586,40 @@
                         <use x="0" y="0" xlink:href="#deg_1" id="deg_359" transform="rotate(-358,0,0)" class="degree-thin" />
 
                         <use x="0" y="0" xlink:href="#sign_aries_tmpl" id="sign_aries" class="sign sign-fire">
-                            <xsl:attribute name="transform">rotate(-15,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-15,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_taurus_tmpl" id="sign_taurus" class="sign sign-earth">
-                            <xsl:attribute name="transform">rotate(-45,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-45,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_gemini_tmpl" id="sign_gemini" class="sign sign-air">
-                            <xsl:attribute name="transform">rotate(-75,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-75,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_cancer_tmpl" id="sign_cancer" class="sign sign-water">
-                            <xsl:attribute name="transform">rotate(-105,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-105,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_leo_tmpl" id="sign_leo" class="sign sign-fire">
-                            <xsl:attribute name="transform">rotate(-135,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-135,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_virgo_tmpl" id="sign_virgo" class="sign sign-earth">
-                            <xsl:attribute name="transform">rotate(-165,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-165,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_libra_tmpl" id="sign_libra" class="sign sign-air">
-                            <xsl:attribute name="transform">rotate(-195,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-195,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_scorpio_tmpl" id="sign_scorpio" class="sign sign-water">
-                            <xsl:attribute name="transform">rotate(-225,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-225,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_sagittarius_tmpl" id="sign_sagittarius" class="sign sign-fire">
-                            <xsl:attribute name="transform">rotate(-255,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-255,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_capricorn_tmpl" id="sign_capricorn" class="sign sign-earth">
-                            <xsl:attribute name="transform">rotate(-285,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-285,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_aquarius_tmpl" id="sign_aquarius" class="sign sign-air">
-                            <xsl:attribute name="transform">rotate(-315,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-315,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                         <use x="0" y="0" xlink:href="#sign_pisces_tmpl" id="sign_pisces" class="sign sign-water">
-                            <xsl:attribute name="transform">rotate(-345,0,0) translate(<xsl:value-of select="$chart_size * 0.435"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>)</xsl:attribute>
+                            <xsl:attribute name="transform">rotate(-345,0,0) translate(<xsl:value-of select="$sign_pos"/>,-<xsl:value-of select="$icon_size div 2"/>) rotate(90,<xsl:value-of select="$icon_size div 2"/>,<xsl:value-of select="$icon_size div 2"/>) scale(<xsl:value-of select="$icon_scale" />)</xsl:attribute>
                         </use>
                     </g>