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AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 1
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 2
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 3
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 4
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 5
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Image 6
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 1
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 2
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 3
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 4
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 5
AMAZFIT Helio Strap - Whoop 4.0 Adapter V3 3D Printer File Thumbnail 6

AMAZFIT Helio Strap - Whoop 4.0 Adapter V3

Ste3l avatarSte3l

February 17, 2026

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DescriptionCommentsTags

Description

Hey All Me Again!

 

After a lot of feedback, critiques and trialling, I have built upon the "Original" and the "v2" adapters that I Previously Released!

 

I Have spent alot of time dialing in the tolerances on this model, such that it fits the helio with a nice click! However, as some will have noticed, a .2mm nozzle is REQUIRED to print this adapter this time round! Unfortunatly it is required to print the walls around the adapter to insure the clasp doesnt buckle.

Print as is, laying flat, not fast, not slow, no supports, no brim


Ko-fi: https://ko-fi.com/x169_

 

Some improvements:

-> strengthening of the loop lug by adjusting the print direction of the strap.
-> Added the most requested feature... A BETTER Latching system, Which Perfectly meets the original whoop clasps design!
-> Major thickness decrease around the top section of the adapter, down to zero added thickness!

 

I would really appreciate any feedback. And if you like my work, please consider upvoting and boosting my post on Makerworld! Its Free and helps massively!

 

Any questions please feel free to ask!
Peace

 

License:

Standard Digital File License

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