Slitherine

I have been looking online for a laser guide. games workshop one is just a points and I want teh type that project a lone to the table. Can anyone suggest a link where these are available. All I have foudn is irresistable force (which are out of stock) or ones for accessorising machinery costing $100's>

Regards,
Anthony,

http://www.thingiverse.com/thing:4028

SHRUG?

Hardware store, get a tape measure with one built in.