📖 BrickPlan Blog
Building guides, brick part knowledge, brand comparisons and MOC blueprint reviews.
Filter: Tag: #universal joint (2 articles)
MOC Mechanism Design for Beginners: Gears and Linkages
Learn how to design moving MOC mechanisms: gear ratios, crank linkages, universal joints and joint clearance, plus a parts list and binding fixes.
LEGO Technic Ball Joints for Robot Arms and MOCs
Three proven ways to build smooth LEGO Technic joints for robot arms: ball sockets, universal joints and locking gear joints, plus a 6-DOF build plan.