I uploaded a new tutorial today. Check it out below!
Hello boys and girls! With the recent addition of pistons, my creative mind got some great ideas for machines using this feature. Besides the TNT-MG and the Piston Lift, I already made a trap using pistons. I'll soon record and upload a tutorial for that trap.
Piston Trapdor (With tutorial):
Piston Lift (With tutorial):
TNT Machine Gun (Glitch, not working since 1.7.3):