Flexi Rex Keychain

3D Printed Flexi Rex Keychain – Flexible Dinosaur Keyring in PLA & PETG

Please note that this is a made to order item. 

If we do not already have your colour combination in stock, please allow an extra 1-2 business days per item for manufacturing. The time taken to produce is determined by material availability.

Looking for a fun, flexible dinosaur keychain that stands out from the crowd?

Meet our 3D Printed Flexi Rex Keychain – a bold, bendy T-Rex skeleton designed to move with you. Whether you’re upgrading your everyday keys, decorating your backpack, or searching for a unique dinosaur gift, Flexi Rex brings personality and playfulness in one compact design.

I’ve always believed the best accessories aren’t just useful – they spark conversations. And every time someone picks up a Flexi Rex, the first thing they do is wiggle it. That flexible spine? It never fails to get a smile.

Why You’ll Love the FlexiRex Keychain

Fully Articulated & Flexible Design

Each Flexi Rex is carefully 3D printed with an articulated body, allowing the segments to move freely. The flexible joints give it that satisfying wiggle while keeping it strong enough for everyday use.

Lightweight Yet Durable

Made using high-quality 3D printing filaments, this dinosaur keyring is sturdy without adding bulk to your keys.

Perfect Gift for Dinosaur Lovers

Whether it’s for a child, teen, or adult who still loves dinosaurs (let’s be honest, that’s most of us), this makes a unique dinosaur keychain gift for birthdays, stocking fillers, party favours, or just because.

Multi-Purpose Accessory

Attach it to:

• House keys

• Car keys

• Backpacks

• School bags

• Pencil cases

• Zipper pulls

Anywhere that needs a little prehistoric personality.

Available Colours & Materials

We currently offer the Flexi Rex Keychain in:

• Black (PLA)

• Light Green (PLA)

• Dark Green (PETG)

As we expand our colour range, you’ll see exciting new combinations using:

• PLA

• PETG

• PLA+

• Silk PLA finishes

Each material has its own look and feel:

PLA (Polylactic Acid)

• Clean, matte finish

• Eco-friendly plant-based material

• Great for bold, vibrant colours

PETG

• Slightly glossier finish

• Extra durable and impact resistant

• Ideal for everyday wear and tear

PLA+

• Stronger and more impact resistant than standard PLA

• Smooth finish with enhanced durability

Silk PLA

• Shiny, eye-catching finish

• Perfect for standout, premium-looking keychains

No matter the material, every Flexi Rex is printed with care to ensure smooth articulation and consistent quality.

Product Details

• Material: PLA, PETG, PLA+, or Silk PLA (depending on colour selected)
  
• Keychain: Nickel Split Ring
• Includes: Sturdy metal keyring
• Lightweight & durable
• 3D printed with precision
• Designer: remix is based on the file by doctor.lex

Size

• Total Length: Approx 8cm (not including Split Ring) 
• 25mm Nickel Split Ring

Please note: As each keychain is 3D printed, slight layer lines and minor variations may be visible – this is part of the charm of additive manufacturing and makes every piece unique.

Who Is This For?

• Dinosaur enthusiasts

• 3D printing fans

• Kids who love fidget-friendly accessories

• Teachers looking for classroom rewards

• Anyone who loves unique handmade keychains

If you’re searching for 3D printed keychains, flexible dinosaur keyrings, or a fun T-Rex accessory, this FlexiRex ticks all the boxes.

A Small Accessory That Makes a Big Impression

In a world of plain keyrings, why not carry something that moves?

Every time I see one clipped onto a backpack or set of keys, it reminds me why we started printing these in the first place — to create something simple, affordable, and genuinely fun.

Which colour would you choose – classic Black, Light Green, or Dark Green?

And if you’d love to see a new colour added to the range, let us know. We’re always looking to expand the Flexi Rex family.

Add your FlexiRex to cart today and bring a little prehistoric flex to your everyday essentials.