Update README.md

SiEIC/README.md

@@ -4,5 +4,8 @@ SiEIC Detector
 This EIC conceptual detector is based on the iLC SiD design.
 
 Note that up to `sieic3` the detector framework was "SLIC+lcsim" and not fully 
-DD4hep compatible.
+DD4hep compatible. 
+
+The detector can be viewed in [[http://atlaswww.hep.anl.gov/hepsim/viewdet.php?det=sieic3]].
+Geometry can be downloaded from [[http://atlaswww.hep.anl.gov/hepsim/soft/detectors/sieic3.zip]]