Headband

Contest Ended, Winner(s) have been selected.
Description:
I'm hoping this is a simple project. I have designed a headband (a variation of the coil soccer headband worn by the likes of David Beckham). This one is for the ladies. The coil (unlike the soccer headband) becomes larger at the crown of the head. I will produce it through 3D printing for myself and friends - so far this is just a personal project. Specs are in the attached jpg.
Wants:
I want a smooth transition from the tight coils at the ends to the top of band (crown). The band will be made in metal and needs to be a smooth spiral coil, not angular in any place. I will need a stl file for production. Specs are in the attached jpg.
Ask for Sample:
Specs are in the attached jpg.
Software:
  1. .stl

Entries

1st Winner
#4 Coilband by Jezdo
Every dimensions as described.
I hope you like it. :)
more
2015-12-08 15:38:09
#1 headband coil spec by Jeremy Benjamin
I followed your specifications as closely as possible. There are a couple small discrepancies noted in the PDF of the drawing, and if you look closely there are a couple irregular shapes I had to add to get the segments to blend together, but hopefully this will be useful.
more
2015-12-07 11:04:07
#2 revision A to my previous entry by Jeremy Benjamin
Here's my 2nd pass at it. It's not perfect, but I finessed the model to be smoother in those transition points than my previous version. The challenge is, I'm using a 3D mirroring function to keep it symmetrical, but when I mirror the object about the mid-plane, then the coil is going the wrong direction, so I get some wonky geometry where I try and bridge that gap. Still brainstorming a way to do this. Hopefully this 2nd try is a step in the right direction...
more
2015-12-07 21:41:18
#3 Headband by mediabox
2015-12-08 11:48:05

Discussion

Jeremy Benjamin

Designer

Thu, 10 Dec 2015 01:01:45 +0000
I see that this contest has been completed. Do you still want me to revise my take on it based on your last comment just for learning purposes, and to have an option B, or are you all good?

FozzysGirl

Buyer

Tue, 08 Dec 2015 10:12:28 +0000


Can you try creating the band without the mirror image and with the 35 loops please? The arch length could be fudged by a few mm, not cm. 35.5cm is pretty standard for an adult headband.

FozzysGirl

Buyer

Mon, 07 Dec 2015 19:51:20 +0000
Yes, my mistake - I meant for that to be in mm not cm.
Mon, 07 Dec 2015 16:56:37 +0000
Also, im pretty sure there is a mistake in the image. Instead of 130cm do you mean 13cm?
Mon, 07 Dec 2015 16:52:59 +0000
You will have limited submissions unless you make the payment Prepaid. Just FYI

FozzysGirl

Buyer

Mon, 07 Dec 2015 12:54:50 +0000
The company that I am using says it is possible.

FozzysGirl

Buyer

Mon, 07 Dec 2015 12:53:59 +0000
I'm basing that measurement on other headbands in my collection. I think 35.5cm is important, otherwise it might feel too small.

FozzysGirl

Buyer

Mon, 07 Dec 2015 12:52:00 +0000
Yes, my mistake. I meant that measurement to be 130mm.
Mon, 07 Dec 2015 12:26:21 +0000
just asking, is it possible to 3D print a coil?

Jeremy Benjamin

Designer

Mon, 07 Dec 2015 06:44:54 +0000
I was wondering that same question: when I analyzed your geometry in my system based on those length parameters given, it calculates a total arc length of 34.13cm, as opposed to the 35.5cm arc length you specified. Is that 35.5cm specification important or can it be fudged a couple centimeters to satisfy the other dimensions?
Mon, 07 Dec 2015 05:20:28 +0000
The purple measurement says 130cm. I'm assuming you mean 13cm?

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