Expresso Mechanic TV builds a Barrel Combination Lock from scratch using Xpresso and some other C4D tricks.
This new Xpresso and Cinema 4D tutorial from Expresso Mechanic TV covers creating a working barrel-stye combination lock from scratch.
To get the lock working, Julian combines Xpresso and User Data. The tutorial also covers using the UV Editor to create a texture for the barrels of the lock.