Advertising KeyChain for "GCode Simulator" Tool.
http://www.thingiverse.com/thing:44286

Customized version of http://www.thingiverse.com/thing:46704
Created with Customizer!

Using the following options:

image = Android
ring_inner = 7
height = 5
text2_y = -45
text2_x = -47
text1_y = -5
text1_x = -29
text1_rotate = 360
add_back = None
$fn = 25
rectangle_height = 60
image_scale = 3
text2_size = 16
Font = write/Letters.dxf
rectangle_width = 189
cut_hole_in_image = 1
ring_y = 35
ring_x = -10
text2_tickness = 6
ring_outer = 10
my_text2 = Simulator
my_text1 = GCode
text1_size = 17
text1_tickness = 6
text2_rotate = 10