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.




















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