materials
1 super glue GEL
2 PVC of your choice
3 coral ruble
4 five dollars
5 patience
go to your local hardware store or home depot and get some cool PVC appropriate to your fishes size.
i bought two 3/4 inch elbows and a long curved piped
first gather your materials and have a seat. rinse your pvc in very hot water then dry off. once dry begin to glue the pvc in a way you like. then glue LR, coral, shells, or coral rubble to your PVC.

let it dry for about thirty minutes to ensure stability.
once its dry stick in tank
proceed to dredge the pip under the san to cover up all but the two elbows

here is what mine looks like installed

and my diamdem dottyback loves it