Simplified Parametric Dragon

Create a fully parametric, print-in-place articulated dragon optimized for FDM 3D printing. Overall length: 220 mm Maximum height: 45 mm Maximum width: 38 mm Design requirements: • Single-piece print-in-place model • No supports required • No assembly • Compatible with 0.4 mm nozzle • 0.2 mm layer height • PLA optimized • 0.35 mm clearance between moving parts • Minimum wall thickness 1.8 mm • Minimum feature size 0.8 mm • Minimum connector thickness 3 mm Head: • Large kawaii proportions • Rounded snout • Big recessed circular eyes (22 mm) • Small smiling mouth • Two small nostrils • Two curved horns • Rounded cheeks Body: • 18 articulated body segments • Smooth ball-and-socket joints • Rotation approximately 30° in every direction • Rounded armor plates • Slight taper toward tail Legs: • Four legs • Each leg connected using ball joints • Rounded paws • Three claws per foot • Thick durable joints Tail: • 12 articulated segments • Smooth taper • Rounded tail tip Wings: • Two decorative wings • Hinged using integrated print-in-place pivots • Thick membrane with reinforcing ribs • Wings fold backward Spikes: • Rounded spikes along head, back, and tail • Safe blunt tips • Symmetrical placement Surface: • Smooth organic sculpt • No sharp edges • Slight scale texture only on upper body • Flat underside for stable printing Mechanical requirements: • Ball diameter 6 mm • Socket opening 5 mm • Snap-fit retention • Prevent over-extension • Strong articulation • Durable for repeated movement Printing orientation: • Belly flat on build plate • Entire model prints in one piece • No floating islands • No overhang greater than 45° • No support material Export: • Watertight manifold mesh • STL and STEP • Ready for slicing

Parameters

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.