Ever, since I made the first set of concrete lamps, I have been asked to produce another. This time it had to be easier to make, had to be larger, and with the option of placing it outdoors. After brainstorming, here is the attempt of improvement. Check out the video for more details.

What you will need:

1. LED String Light - http://amzn.to/2koQPfq

2. Felts Sheet - http://amzn.to/2lJowbY

3. Cement

4. Large vase ( I used a 24 x 7 inches)

5. Drill bits - http://amzn.to/2kwnv1P

6. Random tree branch

7. Spray paint http://amzn.to/2kwbZDE

9. Metal flashing http://amzn.to/2hvS7TZ

Step 1: Making the Storage for LED Controller

I took a piece of foam from a shipping package. Then, I cut it to create a cylinder. I closed it by taping the side. Then I cut out a circle to close off one end. A paper cup would work, as well.

Step 2: Creating the Concrete Form

I used a piece metal flashing to create the concrete form.

First, I marked the metal flashing for the bottom of the form. I made this 5 inches tall. Next, I marked two inches above the first line. At this point, you will have two parallel lines.

Now, wrap the metal flashing around the vase. Close the flashing by taping the loose end. By the way, I'm using a large vase that's 24 inches tall by 7 inches. You can find that at your local craft store.

Next, I took two one-inch rubber seals and followed the line going around the interior. Following the line, I drew out. I did this twice which gave me a two-inch path around the interior of the flashing. This part will shrink the interior, which will make the concrete fit right over.

Step 3: Mixing the Concrete

Take a piece of aluminum foil. Then, place it down on a flat surface. Then, trace the vase and then the foam cup (as shown). Use hot glue to secure the cup, then the flashing to the marking.

Mix concrete and pour it in the form.

After a few days, remove the flashing and rubber seal. The bottom was smooth so I only had to sand the top.

Step 4: Using a Tree Branch

I took a tree branch and sprayed it with black paint.

Allow enough time to dry. Depending on the size of tree branch you chose, use the appropriate size masonry bit. I use a 1/2-inch bit to drill down to the bottom into the foam cup. Test that everything fits nicely.

Step 5: Install the Light

Drill a hole in the lower part of the concrete form for the power end to pass through. Next, use hot glue to hold the plug in place.

Pass the LED String light power end down through the top. Then connect to the power cable.

Step 6: Adding the Lights

Feed a few feet of the LED into the vase. Then, place the branch in the vase and feed more LED as you proceed.

Now sit the vase on top of the concrete. I placed a felt pad on the bottom to protect any surface.

Step 7: The Finish

I love the way this lamp came out. The LED String Lights work extremely well. I was able to get this lamp to work approximately 50 feet away. Hope you have a blast when you make yours, too!

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If you like this lamps, I'd love it if you would vote for it. https://www.instructables.com/contest/glass2017/