Butterfly Knife Trainer

Contest Ended, Winner(s) have been selected.
Description:
Butteryfly Knife Trainer - It's basically a butterfly knife without a sharp blade. But to simulate the weight of the blade a piece of dull metal is used instead. A simple Google search should give you ideas. Every butterfly knife I have used in the past has worn out quickly, or fallen apart at the hinges. I want to create a premium brand that is reliable and sturdy.
Wants:
This knife will be made from stainless steel (once manufactured) so steel metal color will be the end state color.
Software:
  1. AutoCAD (Lastest)

Entries

1st Winner
#17 Butterfly Knife by Sergiu.Nasta
2015-09-09 00:02:34
2nd Winner
#13 Butterfly knife trainer by Flaviano Crespi
For this model I tried to make the most robust possible the hinges of rotation of the handle. The components are in stainless steel obtained by shearing or laser cutting
more
2015-08-22 15:59:43
#11 butterfly knife trainer by dul
2015-08-21 18:16:22
#12 butterfly knife trainer by dul
2015-08-21 20:18:49
#1 Butterfly Knife Trainer by Ishan
2015-08-06 17:48:09
#3 butterfly knife by robhare
knife
more
2015-08-08 20:18:49
#4 Butterfly Knife Assembly by saumitra bhoi
Assembly of knife.
more
2015-08-09 19:07:40
#5 fırst, the blade by Abbasi 3D-Services
Hello. Just want to show you the form of the blade. It can be produced easly with laser cutter.
more
2015-08-13 14:03:44
#6 Butterfly Knife sample by Joju Zacharias
Brass bushings on hinges for longer life and smooth movement of the handle.
more
2015-08-14 09:46:20
#7 my new knife construction! by Abbasi 3D-Services
Hello. Please read the description in the text file. I developed a knife which is really very strong, not like all others.
Conversation please with PM.
more
2015-08-16 21:10:58
#8 Couteau Papillon by Bear17
Download Files
A refined and elegant model
more
2015-08-17 19:38:19
#10 butterfly knife trainer by dul
2015-08-20 16:03:47
#14 J-Butterfly by Jezdo
Real feeling and looking design
Premium design, big stainless steel shaft and brass washer for durability and smooth operation.
more
2015-08-22 21:00:55
#15 Butterfly Knife Premium by Edi Suhendi
This Is Butterfly Premium
more
2015-08-23 03:05:15
#18 Butterfly Knife Trainer by REDA
More render wait ..... thanks
more
2015-09-09 21:11:30
#19 Butterfly Knife Trainer by REDA
;)
more
2015-09-10 07:01:56
#20 Butterfly Knife Trainer by REDA
;)
more
2015-09-10 07:20:20
#21 Butterfly Knife Trainer RV3 by REDA
;)
more
2015-09-10 10:03:32
#22 Butterfly Knife Trainer RV3 by REDA
;)
more
2015-09-10 10:05:52
#23 Butterfly Knife Trainer by Flaviano Crespi
Enhancements to this version Rev. 1
- The handles are folded with a single fitting easier to perform
- The fixing clip is more reliable
- The blade has been slightly reduced
The other parts are unchanged
more
2015-09-10 21:12:29
#24 Knify by Ridwan Septyawan
"Knify"
All the best,
Ridwan S
more
2015-09-11 09:44:09
#25 Butterfly Knife Trainer rev-2 by Flaviano Crespi
rev-2 Added anti-rotation locking pin.
NB: Now the file STP "Opne
Now the file open_R2 "really shows the open position
more
2015-09-11 16:12:52
#26 Enhanced butterfly knife by Bogdan Andrei
The main issue with the butterfly knives consist in poor bushing on the loint. Because the way the blade and the handles works, during extensive usage, these bushing get a significant gap which make the knife unstable and noisy.
In my design, the bushing are doubled as shown in pdf, and more important, because of the tethed sector on each handle, the "wings" (aka handles) work in total synchronization.
It maybe possible that this feature to not be desirable for advanced users, but for training is more than useful for sure
more
2015-09-12 18:36:34
#28 Butterfly knife trainer by Flaviano Crespi
Handle with soft rubber
more
2015-09-13 20:13:13
#29 magnetic butterfly knife by abdillah yusuf
knife butterfly with magnet to attach and detach
more
2015-09-15 10:11:46
#31 Butterfly Knife by capjosh
Butterfly knife. The screws were created without including the threads as it would complicate the assembly process and would likely result in interfering parts.
more
2015-09-16 03:18:14
#33 knife1 by ezer153
design1
more
2015-09-16 06:11:03

Discussion

Flaviano Crespi

Designer

Thu, 17 Sep 2015 14:35:46 +0000
Thanks REDA.

REDA

Designer

Wed, 16 Sep 2015 17:24:48 +0000
Contrats to winners

Lucian

Administrator

Tue, 08 Sep 2015 22:00:22 +0000
Dear designers,

The contest is extended with one more week, as per our client's request. Also, a second prize was added.

Thanks,
Lucian

TylerStep

Buyer

Wed, 26 Aug 2015 19:02:14 +0000
We are still filtering through and discussing potential winners. Winner will be selected soon.
Sun, 23 Aug 2015 10:07:49 +0000
Today is the last day. So, when will you decide?

REDA

Designer

Wed, 19 Aug 2015 08:06:55 +0000
Ok thank you

TylerStep

Buyer

Tue, 18 Aug 2015 21:14:01 +0000
There is no logo.

REDA

Designer

Tue, 18 Aug 2015 14:11:26 +0000
Hi TelerStep,
Your logo please ! ?
Tue, 18 Aug 2015 06:12:38 +0000
no dont wait hehehe
chose one quickly please :P

REDA

Designer

Mon, 17 Aug 2015 21:33:22 +0000
Nice contest :)
Wait please ...
Sun, 16 Aug 2015 21:13:32 +0000
finished

TylerStep

Buyer

Thu, 13 Aug 2015 11:52:35 +0000
Mass production
Thu, 13 Aug 2015 10:59:30 +0000
Do you want it for massproduction, or one or some parts?

TylerStep

Buyer

Tue, 11 Aug 2015 20:25:56 +0000
Yes, that will be fine. We want you to be creative!
Tue, 11 Aug 2015 06:48:09 +0000
OK, must all parts be from metal?

I can chose what I think it is good for the manufactoring, ok?

TylerStep

Buyer

Mon, 10 Aug 2015 21:40:32 +0000
I am not sure how the manufacturer will want to produce the device.
Wed, 05 Aug 2015 11:59:23 +0000
Hello. Do you need to use just sheet metal to produce it? so with laser cutter, or you can accept also molding? it is important to know that.

I made this training knife, but it is not a Butterfly Knife
http://www.sculpteo.com/en/print/training-knife-29cm/PBELxKHa

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