NexTrack for Universal Marble Run Lift

This is the second dedicated track designed specifically for my Universal Marble Run Lift (UMRL) system — building directly on the fun of the original sample track!Featuring dual-track design (just like my Duo Track Third-Order Hilbert Curve Marble Run), NexTrack lets marbles race side-by-side for exciting head-to-head action. It fully integrates with all accessories from the Hilbert curve Marble Run, including the Hargo’s Roulette Wheel. Key Features:Turn the roulette wheel counterclockwise to load and shoot marbles — each full spin fires 2×4 marbles simultaneously down both lanes.Smooth marble flow optimized for 8mm ball bearings (standard size for the UMRL family).Perfect as a standalone track or seamless expansion — connect with the Universal Marble Run Lift to create more dynamic loops and endless runs.Compact main body fits within 180mm × 180mm build plate — prints beautifully on the Bambu Lab A1 MiniYou can download the full UMRL family here:Universal Marble Run Lift: https://ma