4 model

Free

Wide Tooth Teasing Comb

Thingiverse

Free

Tess McTessy Boxing Keychain – Free Teaser from Upcoming Kickstarter

Thingiverse

Free

Magic Octagon Coin – Arrow Illusion Brain Teaser

Thingiverse

Free

fast test - overhang - flat, tube; stringing, flat surface

Thingiverse