TinkerCAD Tips
Keyboard Shortcuts
TinkerCAD Projects
TinkerCAD Blog
Convert images into SVG files that can be imported into TinkerCAD
Thingiverse- a cool place to get awesome ideas
PRUSA Print-
Similar to Thingiverse
Ring Size Conversion to Millimeters
Pinshape 3D Designs
Sculpt GL
Web-based sculpting program
Cookie Cad
Make your own Cookie Cutter
Bionic Pets, 3D designed prosthetic
Joel the 3D printing nerd
HL ModTech
TinkerCAD
Great collection of brackets, hooks, pipe connects etc.
A cool tool to customize shapes. Simpler than Tinkercad but you can make some cooler thing that Tinkercad can't do.