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Key features

  • Made with quality 3D-printing material
  • Small-batch printed and carefully inspected
  • Available to order now
  • Customization support available
In StockQuality checked before dispatch
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Construction Helmet Keychain – 3D Printed PLA Hard Hat

$3.00

Construction helmet keychain in a classic hard-hat shape, 3D printed in PLA and finished with a metal keyring. A fun everyday carry for engineers, builders, and site crews—great for backpacks, tool bags, and gift add-ons. Color shown: yellow (ask about other colors).

10 in stock

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Description

Construction helmet keychain—a pocket-size hard-hat charm for anyone who lives for job sites, blueprints, and build days. This mini helmet is 3D printed in PLA with clean, simple details and comes attached to a metal split keyring so it’s ready to clip onto keys, backpacks, lanyards, or a tool bag zipper.

Construction helmet keychain details

  • Hard-hat silhouette with a smooth dome and brim—instantly recognizable and easy to spot in your bag.
  • 3D printed in PLA for a lightweight feel and crisp edges.
  • Keyring attached (as shown) so you can start using it right away.
  • Great gift add-on for engineers, contractors, construction managers, apprentices, and graduating students.

Where it fits best

This keychain is designed as a small, fun accessory that adds personality without getting in the way. Use it as:

  • A daily key identifier (no more guessing which set is yours)
  • A backpack or lunchbox charm for work, school, or site days
  • A simple desk token for office life—civil, mechanical, or construction engineering vibes
  • A crew gift, stocking stuffer, or “first day on site” surprise

Material & finish notes (PLA)

This piece is printed in PLA. Like most 3D-printed parts, you may see subtle layer lines or tiny variations that come from the printing process—these are normal and part of the handmade/printed character of the item. The photos show the overall shape, surface texture, and attachment style.

Care tips

  • Wipe clean with a soft, dry or lightly damp cloth.
  • Avoid leaving in high-heat environments (for example, a hot car dashboard), as PLA can soften/warp with heat.
  • Do not place in a dishwasher or soak for long periods.

Color & customization

The product photos show this construction helmet keychain in yellow. If you’d like a different color, a multi-item set for a crew, or a small tweak for an event or team theme, send a request through our customization page: https://thewobbleworkshop.com/customize/. You can also browse more 3D-printed accessories and desk-friendly gifts here: https://thewobbleworkshop.com/shop/.

What you’ll receive

  • One helmet-shaped keychain charm (PLA)
  • Metal split keyring with a short connector (as pictured)

About The Wobble Workshop

We design and make playful, functional 3D-printed items and small gifts with a clean, modern aesthetic. The Wobble Workshop is part of the wider studio family at https://myraint.com/.

Ready to add it to your keys?

If you’re shopping for a small, practical gift for a builder or engineer—or you just want a hard-hat vibe on your own key set—add this construction helmet keychain to your cart and keep the worksite spirit close at hand.

Features

  • Helmet/hard-hat shaped keychain charm
  • 3D printed in PLA
  • Metal split keyring attached (as shown)
  • Lightweight everyday carry accessory
  • Giftable for engineers, builders, and construction crews

Product information

  • Product type: Keychain / bag charm
  • Construction: Engineer helmet (hard-hat style)
  • Material: PLA (3D printed)
  • Color (shown): Yellow
  • Attachment: Metal split keyring with short connector (as pictured)

Customization options

  • Request a different color (subject to availability)
  • Bulk/crew quantities for teams or events
  • Custom request review via https://thewobbleworkshop.com/customize/

Fulfilment note: Processing time, packaging, and dispatch details are not specified in the provided facts. If you need this by a certain date or want to confirm available colors, please contact us before ordering. Each item may show typical 3D-print layer lines and minor variation.

Color
Yellow (shown)
Material
PLA

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