Here's some other pictures
Here is the transformer.
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This is a 1/4" J bolt and compression spring I bought at the hardware store.
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This is the bottom and I used a
2 1/2"X1/4" carriage bolt to hold the wire in line.
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Here is what I made to trace the guns.
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Then I used poster board from the Craft shop to make template to cut out the foam.
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Hope this answers some of your questions.