diff --git a/compact/ecal/barrel_sciglass.xml b/compact/ecal/barrel_sciglass.xml
index c33179896..0ff8c7dc9 100644
--- a/compact/ecal/barrel_sciglass.xml
+++ b/compact/ecal/barrel_sciglass.xml
@@ -75,13 +75,13 @@
             The front and rear faces are similar isosceles trapezoids only slightly deviating from a rectangular shape by an amount parametrized with `flare_angle_at_face`.
           </comment>
 
-          <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="10" flare_angle_polar="1.16 * degree"  flare_angle_at_face="0.3059 * degree" vis="family1" />
-          <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="6"  flare_angle_polar="1.045 * degree" flare_angle_at_face="0.7058 * degree" vis="family2" />
+          <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="40.0 * cm" number="10" flare_angle_polar="1.16 * degree"  flare_angle_at_face="0.3059 * degree" vis="family1" />
+          <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="40.0 * cm" number="6"  flare_angle_polar="1.045 * degree" flare_angle_at_face="0.7058 * degree" vis="family2" />
           <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="5"  flare_angle_polar="0.929 * degree" flare_angle_at_face="0.8892 * degree" vis="family3" />
           <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="5"  flare_angle_polar="0.82 * degree"  flare_angle_at_face="1.0258 * degree" vis="family4" />
           <family dir_sign="+1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="3"  flare_angle_polar="0.70 * degree"  flare_angle_at_face="1.126 * degree"  vis="family5" />
-          <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="10" flare_angle_polar="1.16 * degree"  flare_angle_at_face="0.3059 * degree" vis="family1" />
-          <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="6"  flare_angle_polar="1.045 * degree" flare_angle_at_face="0.7058 * degree" vis="family2" />
+          <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="40.0 * cm" number="10" flare_angle_polar="1.16 * degree"  flare_angle_at_face="0.3059 * degree" vis="family1" />
+          <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="40.0 * cm" number="6"  flare_angle_polar="1.045 * degree" flare_angle_at_face="0.7058 * degree" vis="family2" />
           <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="5"  flare_angle_polar="0.929 * degree" flare_angle_at_face="0.8892 * degree" vis="family3" />
           <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="5"  flare_angle_polar="0.82 * degree"  flare_angle_at_face="1.0258 * degree" vis="family4" />
           <family dir_sign="-1" x1="1.925 * cm" y1="2 * cm" z_length="45.5 * cm" number="5"  flare_angle_polar="0.70 * degree"  flare_angle_at_face="1.126 * degree"  vis="family5" />