This illustration shows the basics of how to build a shower pan.
Grey Standing Mosaic tile shower with white pebble tile shower pan. For the family bathroom rear wall
Bathroom with pale grey brick tiles
FRAMING SHOWER WALLS FOR A CUSTOM TILED SHOWER PAN - http://www.homeadditionplus.com/dev/framing/framing-shower-walls-for-shower-pan/
A small bathroom makeover - H is for Home H is for Home Harbinger
DIY Bathroom Renovation: How to Build a Custom Tiled Shower Pan — Apartment Therapy Tutorials
How to Replace a Fiberglass Shower With Tile as a Weekend Project | Home Guides | SF Gate
Here is a video on how to install your own mortar shower membrane liner for a custom ceramic tiled shower.
How to Clean and Restore a Worn Fiberglass Shower Base | Home Guides | SF Gate
How To Build A Tile Shower Pan | icreatables.com