Here is a coffee table concept I put together last week.
The back door to the house rotted away, so the landlord replaced it and left the original glass panels in the garden so I thought it would be a challenge to make use of them.
The mitred frame is made from some pine I had left over and the legs are cut from reclaimed futon left on our street.
In order to get the groove for the glass I used a Stanley combination plane 12-250 which I bought on eBay for £20.The plane looks like some orthopaedic instrument but can cut really fine grooves to a fixed depth.
Mitre corners were cut from the long grooved pieces and glued with mitre clamps around the glass.
As the groove is very snug, the glass fits firmly with just friction so the table can be disassembled with ease.
(probably not a good table to have with kids around!)