Product Name "Screwdriver Ring". Designed by Japan.

Available in either stainless steel (antique bronze & gold plated)

The default size is 20.6 mm inner diameter but you can customize the size to your liking.
Click personalize to choose your US ring size.(Size support: # 8 to # 13.)
Please refer to a this page.

Conversion chart for ring sizes

US Ring Size      Inside diameter
       8                         18.1mm
       9                         19.0mm
      10                        19.8mm
      11                        20.6mm
      12                        21.4mm
      13                        22.2mm

Please also see other designs.
Shop here.
http://www.shapeways.com/shops/forma

FORMA Laboratory Facebook Page!

Two letters fused into a 3D block. What an eyecatching way to showcase two initials! Yours will be ¾-1" (2-2.5cm) tall depending on the letters. Choose from Comic, Typewriter, Block or Script font, shown in the picture above.

A larger size is here.

Do you need a hanging loop? If neither letter has a closed loop (like O, P, B etc.) and you want to use this as a pendant, you will need that. Let me know in the instructions box please? Thanks....

Do three letters work? Sometimes, find out more here.

This is a four hole English pendant style ocarina.

It's tuned in G6 major.
The range is a full octave from G6 to G7.
A Fingering table is included in the images above.
The highest notes are pretty loud.
The lowest are modest; blow in very gently for them!
Keep it dry and don't enclose it airtight!

Only the White Strong & Flexible material was tested yet.
This material works really fine.
Its paintable too.