Using clear, marigold transparent and solid yellow frit, I made a splash above a blue piece from the recycle bin.  It is on clear sheet glass.  It was brought up to 1400 F to fuse for 22 hours and then went through a 24 hour slumping process at 1220 F. 
 
Length: 4 inches
Width: 4 inches
Height: 0.5 inches