Laser Christmas Tree

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Introduction: Laser Christmas Tree

This Instructable works off the same idea we used for the Laser Pumpkin. We used assorted products at our disposal from Laserglow.com and Novalasers.com to create a festive laser display all coming from a Christmas Tree.


Step 1: Prepare Your Lasers.

For this project we used an assortment of continuous operation lasers from Laserglow.com's Brightline Series. The lasers ranged in power outputs of 25 mW to 40 mW, but you can use lowered powered units, but it won't be as awesome.

We removed the mounting brackets and prepared them with matching power supplies to be placed on the tree. If you don't have access to continuous operation lasers you can use a regular laser pointers by taping the button so it stays on. Your battery will die eventually, but you'll have a temporary solution to create your own display. Green laser pointers can be purchased from both Laserglow.com and Novalasers.com.

Step 2: Attach Diffraction Gratings to Your Lasers.

As we did in the Laser Pumpkin Instructable, we used electrical tape to attach Diffraction Gratings to the end of our lasers. Diffraction Gratings that give multiple beams are the best for this project. We tried to use a wide variety of Diffraction Gratings to show how different ones create different displays. Diffraction Gratings can be purchased from Novalasers.com under the Shop Nova section.

Step 3: Attach Lasers to the Christmas Tree.

We used black twist ties to attach each laser module to a different branch on the tree. Twist ties allowed us to easily move the lasers to create better displays and they did a great job of holding the unit to the branch. You can use string or tape, but I think twist ties would be the best bet.

We spread out the lasers to have contrasting colours between the red and the green lasers, and we also tried to have a variety of Diffraction Gratings to create a more dynamic display.

Step 4: Adjust the Lasers

After the lasers are attached and you've connected power you may not be immediately satisfied with the display. Once the lasers were active we were able to decide how they should be spread out to effectively create an interesting display. It's important to note that lasers displays appear more dynamic when colours are contrasting each other. Two green lasers beside each other did not look as impressive as a red and a green nearby each other.



Step 5: Add Your Star.

We used Laserglow.com's 2.4 Watt Laser Projector that we were lucky enough to have out our disposal. Naturally, you can use whatever you'd like for the star/angel, but I would suggest using something that appears drastically different from the rest of the tree. If you are using primarily green and red lasers, than a yellow or a blue might be a good idea for your star. If you happen to have a yellow or a blue laser at your disposal than try it with a diffraction grating pointing up and you should be able to create a unique star for the top of your tree.

Step 6: Add Some Fog or Smoke.

And you're done! You should have yourself an impressive looking Laser Tree. To add uniqueness to your tree it would be ideal to add ornaments, garland, and all the other traditional decorations.

Keep in mind that your tree will look best when all the lights are completely off, so if you wish to add ornaments be sure to showcase the ones that reflect laser beams and are visible in the dark. Adding smoke or fog now will reveal all beams projecting from the tree and truly make your Laser Tree come to life. Fog can be purchased from Novalasers.com.

Be sure to check out our Flickr page for more photos and other laser related stuff!


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    56 Discussions

    Christmas was the MASS of Christ. The Son of God. There is no Christmas without Jesus. Anyone who can read basic words would know this. One day God will prove that Jesus is the reason for the season.

    Jesus wasn't even born on December 25. There was a pagan holiday on December 25 and the christians adopted that date.

      I can't believe it took 11 months for someone to respond to that comment. So thank you. I can't stand people who don't research anything and just believe what's right in front of them.

    it started as a pegan holiday but was adapted to a more religious christian version by the roman catholic church during the reformation. (the day means different things depending on the religious beliefs of the person.)

    You are confusing "Christmas" with whatever they called their pagan holiday.  I'll readily admit that the early church appropriated some pagan dates in order to help convert people.  But if it is called "Christmas" we are referring to the birth of Christ, and therefore the Christmas holiday celebrates just that.  Commercialism, different religious (or nonreligious) traditions falling on the same date and Santa Claus notwithstanding.

    I hope this was timely enough for komecake.

    Happy New Year, btw. . .

    I thought that was the point of the Borg - they were Christian. "Your culture will become our culture, free thinking will be sacrificed for the good of the many, refusing to give up your culture to ours is futile, as we will overwhelm you with more advanced technology..."

    Hehehe that tickles me.....

    "ONE OF US!!!"

    I'm pagan but I don't mind Christmas because it gives the Italian side of my family an excuse to make the best food on the planet and eat continuously over a 48 hour period . That is the meaning of Christmas right, feast? Feasting and new stuff and cutting down pine trees so they can slowly die in your living room. Ahhh, America.

    2 1/2 years for me to read this, but I hate when people bring religion into my Christmas! haha

    if you look at startrek cannon, the borg's assimilation is in the interests of promoting their own evolution, taking on the advantageous aspects of each species they assimilate.