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Picture of Laser Engraved Drinking Glasses
This is a simple project I did at the TechShop (http://techshop.ws). I had a set of old glass drinking cups just sitting in the cuboard collecting dust, so I decided to spruce them up a little by laser enscribing sayings and/or images on them. For designing the glasses, I used Adobe Illustrater and CorelDRAW. You will need access to a laser (I used an Epilog 45W Helix laser) and a laser Rotary attachment (assuming your glasses are round). 

You will need:
-drinking glasses
-ruler (or measuring tape)
-scrap of paper (for focusing the laser)
-laser
-laser rotary attachement
-scrap of cloth (for wiping off the glasses)
-old socks (for transporting the glasses safely)

 

Step 1: Step 1: Design Your Engraving

Picture of Step 1: Design Your Engraving
In CorelDRAW, Adobe Illustrator, or some other program that can communicate with the laser you are going to use, you can design what you want to engrave on your glass. (I decided to engrave “Glass Half Empty …” on the top half of one side and “Glass Half Full …” on the bottom half of the other side.) You will need to measure the circumference and height of your glass to size your engraving. Don’t forget to rotate you design after you are done so it prints the correct way.
 
Correction- The glass is half to big xP
Technically, the glass is ALWAYS full:
50% Liquid + 50% Air.
;)
Or half way to the next drink!
Half liquid, half air. Technically, the glass is completely full ! :-)
Almost completely full of empty space ;)