https://b9042dbe-a-62cb3a1a-s-sites.googlegroups.com/site/rsscode/rss-code/Double-Tracked.pdf?attachauth=ANoY7conRhHI537MT2vL2wA795NrIxpChhygASFSVAO8wDKIxQzdQbJWp308887stnZIYwk92tH-Y5UrZE6zrprfd8m-H-ovE0CQv0-M8HP2cP1hapsB66zPiuX8A6RuOAcv0Mj-2545fOz2ClzFPEjtQpz5vfCxeLto_EDZKEpMoNEPtIzqMGJd8FW-uv5LH4uFnvftfgQnjROEw7F03pf4-j4LadhPfUQnN7nZpnr7DYbOQsKf3vE%3D&attredirects=0
這是主結構。
做完之後還需要做爪子....
http://www.nxtprograms.com/claw_car/steps.html
加油了!