Found this link. Has many, 200+ DXF files ready for download. Designed for CNC or Router, but with little work, good for Laser.

This is a copy of text from site:

All cnc DXF files shown on this website are Free.
The Archive on the right, includes a list of over 203 additional DXF files.
Enjoy the Free files.
Monday, October 27, 2008

Here is link, enjoy!: http://mydxf.blogspot.com/