Download, slice and print. The coins all have unsupported overhang on the bottom sides, but it usually prints cleaner without support.

To create new coins run:
$ coin_skel.pl a.svg b.svb > ab.scad

Then tune the scaling and offset variables in ab.scad. This uses inkscape and pstoedit to convert the SVG files into EPS and then DXF. tile.scad can be used to make plates of coins (or other things).

CC attributions below:

thenounproject.com/noun/apple/#icon-No640 - Apple from The Noun Project
thenounproject.com/noun/hamburger/#icon-No3536 - Hamburger designed by spencer cohen from The Noun Project
thenounproject.com/noun/coffee-pot/#icon-No1366 - Coffee Pot designed by John O'Shea from The Noun Project
thenounproject.com/noun/teapot/#icon-No678 -Teapot from The Noun Project
thenounproject.com/noun/deer/#icon-No4753 - Deer designed by Jacinta Lippold from The Noun Project
thenounproject.com/noun/fish/#icon-No638 - Fish from The Noun Project
thenounproject.com/noun/watermelon/#icon-No5233 - Watermelon designed by Michell Laurence from The Noun Project
thenounproject.com/noun/bar-graph/#icon-No3066 - Bar Graph designed by Fernando Vasconcelos from The Noun Project
thenounproject.com/noun/mustache/#icon-No1642 - Mustache designed by Benjamin Davis from The Noun Project
thenounproject.com/noun/robot/#icon-No4052 - Robot designed by Mike Hince from The Noun Project
thenounproject.com/noun/beer/#icon-No5693 - Beer designed by shultz01 from The Noun Project
thenounproject.com/noun/submarine/#icon-No683 - Submarine from The Noun Project
thenounproject.com/noun/blimp/#icon-No1018 - Blimp designed by Matt Saling from The Noun Project
thenounproject.com/noun/hammer/#icon-No1306 - Hammer designed by John Caserta from The Noun Project
thenounproject.com/noun/wrench/#icon-No1320 - Wrench designed by John Caserta from The Noun Project

Basically, just head to thenounproject.com for more useful images.