by Tim Gould - (.mpd format) http://railbricks.com/instructions/demountable-shed/
by Dave Sterling - (.ldr format) http://railbricks.com/instructions/ballast-guide-for-straight-track/
by Tim Gould http://railbricks.com/instructions/tool-hut/
by Dave Sterling - (.ldr format) http://railbricks.com/instructions/ballast-guide-for-switch-points/
by Dave Sterling - (.ldr format) http://railbricks.com/index.php?cID=530
