Human Heart Blender Tutorial

Learn how to model and texture a realistic human heart in Blender, from a simple cube to a wet, glossy medical visualization asset rendered in Cycles. In this step-by-step tutorial we build the whole asset with non-destructive tools: a quad sphere shaped with a lattice, anatomical bulges and grooves from vertex groups and Displace modifiers, hollow blood vessels made from Bezier curves, a branching coronary network held to the surface with Shrinkwrap, and layered procedural materials, with no image textures needed. What you'll learn: ▸ Building a clean quad sphere (Subdivision Surface + Cast) and why it beats a UV sphere ▸ Shaping organic forms with a Lattice cage ▸ Vertex groups + Displace modifiers for ventricles, atria and grooves ▸ Aorta, arch branches, pulmonary trunk and venae cavae from curves, with Bisect cut ends and Solidify walls ▸ Coronary arteries with tapering curves and Shrinkwrap (Apply on Spline) ▸ Procedural myocardium shader: Noise, Color Ramp, Attribute-driven fat mask, Coat, Subsurface and Bump ▸ Three-point studio lighting, a turntable rig and Cycles render settings Note: every step uses standard Blender tools and modifiers. The operations were triggered from a Python script so each step is exactly reproducible, and the narration explains the manual equivalent of each one. Project file : https://drive.google.com/file/d/1Xti1... ⏱ CHAPTERS 00:00 Title 00:28 Introduction and Reference Analysis 02:04 Creating the Base Heart Shape 05:18 Modeling the Major Blood Vessels 08:05 Adding Coronary Arteries 09:51 Refining the Heart Surface 11:27 Creating Realistic Materials 13:27 Lighting and Final Rendering 15:03 Final Showcase 15:37 Outro 🛠 Software: Blender 5.1 · Cycles (GPU) · AgX view transform 🎙 Narration: AI voice (Kokoro TTS) 💬 English captions are available. Turn on CC. This model is for 3D art and educational visualization. It is anatomically plausible but is not a clinical reference. If this helped, like the video and subscribe for more Blender tutorials. Tell me in the comments which organ or medical model you'd like to see next! #Blender #Blender3D #3DModeling #MedicalVisualization #BlenderTutorial