| http://www.chuh.org/Students/Bram-Lambrecht/Lego/LDraw.html | LDraw & LEdit Resources and Tutorial |
| http://www.netby.net/Nord/Mandelvej/Hassing/l3p.html | L3P is a neat little DOS program that will produce a ready-to-render POV-file from any LDRAW model using any part. |
| http://www.gyugyi.com/l3g0/ldrawVR/index.html | LdrawVR is a conversion tool to take .dat files from the DOS-based LEGO brick cad program LDRAW and create .wrl files viewable by a VRML browser. |
| http://graphics.stanford.edu/~kekoa/rcx/ | Kekoa's RCX Internals |
