train model 3d

// ==================================================================== // 1/50 SCALE FULL ALUMINUM MACHINING MODEL (L-GAUGE SPEC) // FULL TRAIN ASSEMBLY CODE (Spark-Free & Pneumatic System Integrated) // ==================================================================== $fn = 40; // Precision for curved surfaces // --- MAIN VEHICLE ASSEMBLY --- module full_train_assembly() { // 1. CAR BODY SHELL (Aluminum Monocoque) color([0.8, 0.8, 0.85], 0.7) // Aluminum texture with transparency difference() { // Outer Body (Length 400mm x Width 56mm x Height 70mm) translate([0, 0, 45]) cube([400, 56, 70], center=true); # Inverted Car Body Hollow (Wall thickness 1.5mm) translate([0, 0, 43.5]) cube([397, 53, 67], center=true); // Passenger Window Openings (Cutouts) for (x = [-150 : 30 : 150]) { translate([x, 28, 50]) cube([18, 5, 22], center=true); translate([x, -28,