Step 1: Mrepare the Materials
* glass cutter
* plastic bottle
* double adhesive tape (thick)
* double adhesive tape (thin)
* cable tie
* mylar sheet
* aluminum foil
Step 2: Cut the Bottle
Wash the bottle inside and out.
Using glass cutter, mark the bottle to the desired height of the bottle to be cut.
Light up the candle.
Put the glass cutter marked to the candle flame. Turn the bottle until completed the mark.
Place the ice glass cutter marked.
Repeat heating the bottle and putting iced until the bottle cut.
Smooth the edge of the glass using sand paper.
Step 3: Make the Reflector's Frame
Make two semi circles.
Place two hinges to connect these semi circles. See the images as reference.
Step 4: Place the Glass to the Frame
Fix the glass to the frame using cable ties as shown above.
Step 5: Place the Reflectors
Step 6: Ready to Go
To use it, open the reflectors and place to to the sun.