Live action Darksaber by Gus

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guabe

Sr Member
How did you make the blade?
its a 3 layer design using 3mm sheets of acrylic. The middle section is cutout to reduce weight and accomodate the neopixels. Used 4mm wide neopixels from adafruit.

The outer sections I painted black and used mylar or aluminum tape internaly to reflect as much as possible. Glued the neopixels to one side and sealed it up.
 

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MMcFett

New Member
its a 3 layer design using 3mm sheets of acrylic. The middle section is cutout to reduce weight and accomodate the neopixels. Used 4mm wide neopixels from adafruit.

The outer sections I painted black and used mylar or aluminum tape internaly to reflect as much as possible. Glued the neopixels to one side and sealed it up.
Did you have any diffuser, like the foam in a regular neopixel blade?
 

guabe

Sr Member
Did you have any diffuser, like the foam in a regular neopixel blade?
I did not. I just sanded the blade internally and externally too... It does not hide them perfectly in person but at least on pictures or video it washes them out. Im sure you can add a little more difusion.
 

MMcFett

New Member
its a 3 layer design using 3mm sheets of acrylic. The middle section is cutout to reduce weight and accomodate the neopixels. Used 4mm wide neopixels from adafruit.

The outer sections I painted black and used mylar or aluminum tape internaly to reflect as much as possible. Glued the neopixels to one side and sealed it up.
So did you have 2 black layers sandwiching a clear layer?
 

guabe

Sr Member
yes, thats about it... the black paint is put on about 5- 6mm from the edge. Im debating if I should paint the outer sides too... not sure yet.
 

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guabe

Sr Member
Was it this LED strip? Ultra Skinny NeoPixel 1515 LED Strip 4mm wide
Do you have heating issues?
yes that's the one, I used 2.5 strips, 1.5 on the back side of the blade all the way to the tip and 1 strip in the front side just short of the 1st slope change.

It does heat up quite a bit (white light uses a lot more power than individual colors) and this is where the aluminum tape works great, besides reflecting the light it dissipates heat.
 

MMcFett

New Member
yes that's the one, I used 2.5 strips, 1.5 on the back side of the blade all the way to the tip and 1 strip in the front side just short of the 1st slope change.

It does heat up quite a bit (white light uses a lot more power than individual colors) and this is where the aluminum tape works great, besides reflecting the light it dissipates heat.
Great! Glad you told me how many you used. I'm going to order some and get some plexiglass. Did you have to add a resistor to the LEDs?
 

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xl97

Master Member
They have many different sizes of 'Neopixels' (WS281x)

Example:

I believe they are 1515 size packages.. and not the normal 5050 package


4492-03.jpg
 

guabe

Sr Member
Yes, the link you sent is 7.5mm wide... I cant use that on this blade. Need the 4mm wide to be able to fit inside the hilt section. Also those are too tall and would be covered by the opposing wall as they dont have clear casings

31ceoA4c9aL._AC_.jpg


The 1515 are clear on the sides and just about 1mm tall which leaves about 2mm before hiting the top wall.
 

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