Design #3: Topological surfaces


<a href="http://www.geom.umn.edu/zoo/toptype/torus/figure8/">
Figure-8 Immersion of Torus</a>

<a href="http://www.geom.umn.edu/zoo/toptype/torus/ellipse/">
Elliptical Torus of Revolution</a>

<a href="http://www.geom.umn.edu/zoo/toptype/klein/standard/">
Standard Model of Klein Bottle</a>

<a href="http://www.geom.umn.edu/zoo/toptype/klein/figure8/">
Figure-8 Model of the Klein Bottle</a>

<a href="http://www.geom.umn.edu/zoo/toptype/pplane/cap/">
The Crosscap</a>

<a href="http://www.geom.umn.edu/zoo/toptype/pplane/roman/">
The Roman Surface</a>

<a href="http://www.geom.umn.edu/zoo/toptype/pplane/boy/">
Boy's Surface</a>

<a href="http://www.uib.no/People/nfytn/hunttxt.htm">
Hunt's Surface</a>