This design is very effectful for colorless material like Rock Crystal, Topas.
The design is also published at Bobs Rockshop where you have more information.
Design by Torbjörn Lorin, Sweden, 1987
torbjorn.lorin@telia.com
Star Cut
Cascade
Josefina Cut
Turning Triangle Cut
Wafer Cut
Starbright Pentagon
Penta Cut