
Slumped tile designers start with flat glass, and melt it enough to curved the tile facing.
Shown here, small format slumped tiles - an alternative to flat edged, mosaic sized pieces.

Medium & large format slumped tiles

Slumped tiles used as a relief accent.

Surface variations can range from the dramatic to subtle.

Slumping used to create a relief image.

All slumped samples by Interstyle