Printy Slinky

Printy Slinky 🌀

Where mathematics, engineering and play come together!

Printy Slinky is a 3D-printable take on the classic Slinky, designed around the fascinating geometry of a helix. What looks like a simple spring is actually a great little demonstration of curves, spacing, compression, tension and motion.

Stretch it out, compress it back together, let it walk down a slope, or simply enjoy the satisfying movement of the coils. It is a fun desk toy, fidget, educational model and conversation starter all rolled into one.

🌀 Designed for 3D Printing

Printy Slinky was designed with easy, accessible printing in mind. The model requires no supports and is suitable for straightforward PLA printing. Its simple construction makes it a great project for both beginners and experienced makers.

📐 A Little Mathematics

The Slinky is based on a helical form, where a curve wraps continuously around an imaginary central axis. Changing the coil diameter, pitch, thickness and number of turns changes how the Slinky behaves.

That makes Printy Slinky more than just a toy. It is a small, hands-on example of how mathematical geometry can be turned into something you can actually hold, stretch and play with.

🎮 Fun for Everyone

Use it as:

• A fun fidget toy

• A desk toy

• A STEM/educational model

• A demonstration of springs and helixes

• A satisfying print to stretch and play with

• A fun gift for makers and 3D-printing enthusiasts

Print it. Stretch it. Compress it. Explore it.

Sometimes the best way to understand mathematics is to turn it into something fun. 🌀📐

Youtube Video:

https://youtube.com/shorts/vr3EPTK7g4w?si=biXSAJpwGQcUEMav