心形手镯

Heart Bracelet

2024-03-16 08:08:27

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Summary

This is a print in place bracelet with a heart. There are two versions, one for 3mm magnets and another with a plastic clasp already in the design. Both are to fit a wrist that is roughly 16/17cm in circumference or smaller.

When printed, the bracelet should be gently flexed to help separate the links. They should bend enough to complete a circle, but don't bend them too sharply or it'll snap.

I've tried to keep it thin enough to be usable, but thick enough that it won't immediately fall apart. There is also a test piece you can print out first before printing the whole bracelet.

Print Settings

Printer brand:
Prusa
Printer:
i3 MK3
Rafts:
No
Supports:
Yes
Infill:
20%
Filament brand:
Generic
Filament material:
PLA

Info

Magnet and Clasp versions

The magnet version needs several 3mm wide magnets glued into the ends. Should be fairly simple to use once the magnets are set in.

The clasp version needs supports in the outer clasp side, which can be (carefully!) cleared with a small knife or similar. The outer clasp is thin so you need to be careful, but I've found it still works even if slightly split. It can be a bit stiff, so you should try closing and opening both sides several times before putting it on a wrist, just to make sure it is easily removable with one hand (you probably don't want to put it on a kids wrist and find they can't easily get it off lol).

Extra bits

Because the clasp part is thin and easily breakable, I've included a few extra files to fix it. You can cut the broken piece off, print the equivalent spare and then you should be able to slot it over a link and glue it in place to fix it.

There are three extra pieces, the inner part, an outer part, and an outer part with an extra link. They will all need supports.

You may be also want to print the magnet version, and glue the clasp pieces to it. Could be useful if you want a stronger material for the clasp (I have found silk PLAs are more prone to delamination, so using a different material just for the clasp could increase durability).

There is also a test piece made of 3 links, that you can print out first before printing the whole bracelet. Doesn't really have a use apart from that.