Amazon: FREE Knots 3D App Today (7/18) ONLY!

Today (July 18th) only, you can download the Knots 3D App for FREE! If you were ever curious about how to tie different kinds of knots, this might be just the thing for you.

Here are some details:

Knots 3D, a how-to knot reference app, will give you a whole new perspective on knots! Have you ever wondered what a knot looks like rotated 40° or maybe 90°? Or maybe you want to see what a Trilene knot or Constrictor knot looks like from the back? Use your finger to spin the knot and see how it looks from any angle in 3D!

• learn to tie 71 different knots
• Browse knots by category or classification
• Watch knots tie themselves and pause or adjust the speed of the animation at any time
• Interact with the knot on screen via mult-touch gestures such as pinch-to-zoom and swipe to advance/rewind
• Ability to play/pause knot rendering
• Ability to rotate knot in 3D space a full 360° to view from any angle, i.e. side or back
• Ability to zoom in on the knot for greater detail
• Detailed knot descriptions, usage, strength and history
• Ashley reference numbers (ABOK) where applicable
• Save favorite knots for quick reference

As always, please remember that Amazon’s price can change rapidly. It is definitely best to verify that it is still free before you download.