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Laser Vortex

Step 9Angle & Hold Mirror in Cap

Angle & Hold Mirror in Cap
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  • foam_mirror_prop.jpg
  • cap_bend_points_smlagl_dsc0 - 000.jpg
We will be mounting a one inch round mirror at an angle in the cap. This is a small angle but sufficient for creating the vortex. The mirrors can be found in the craft department of most stores such as Mal-Mart or at a craft store. They usually come in packages of 10 or 20 for less than two dollars.

Three notches will be bent on the cap to hold the mirror securely in the cap and at an angle. Two of the notches need to be bent as close to the edge of the cap rim as possible so the mirror can extrude as far as the cap will allow. A small piece of foam is used to prop the mirror up from this point where the 2 shallow notches are. The one used here was part of a foam packing peanut.

Once the notches are made and the foam is in place to prop the mirror, the mirror is placed in the cap and the final bend is made to secure it at its angle. Be cautious not break the mirror while doing this.
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