Poly Haven
Unknown
Public library of free CC0-licensed HDRIs, PBR textures, and 3D models, usable in any project without attribution. Learners can light scenes with real-world HDRI environments and practise applying physically based materials in Blender or other 3D software.
More resources on 3D Modeling
artstation.com/learning
ArtStation Learning is a subscription video library of courses for 3D artists, featuring modeling, sculpting, texturing, lighting, and concept art. It offers industry-led tutorials and project-based lessons taught by professional artists across major software.
Polycount
Long-running forum where game and film artists post work-in-progress models for critique, discuss topology, baking, and shader workflows, and share studio hiring news. Reading the critique threads teaches the technical standards production art is judged against.
Blender Beginner Donut Tutorial (Blender 2.8)
Opening part of Andrew Price's step-by-step beginner series in which you build a donut scene from scratch. It covers the Blender interface, navigation, basic mesh modelling, sculpting, materials, lighting and rendering, leaving you able to produce a simple finished render.
Blender Fundamentals
Learn 3D animation basics with Blender Fundamentals, a free course from the Blender Foundation. Start creating today!
Digital Modeling
Software-agnostic book on professional 3D modeling practice, from reference gathering and polygon topology to subdivision surfaces, hard-surface and character modeling. Readers learn to build clean, production-ready meshes and plan models the way studio modelers do.