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1Step 1
Start by trying out the position of the potentiometer Knob and push button that is more ergonomic for the plastic box to be used in the project
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2Step 2
Cut a piece of cardboard with the same dimensions as the top cover.
Use the cardboard to mark the positioning of the holes
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3Step 3
Take note of the dimensions
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4Step 4
Now make the holes on cardboard and check if the positon of the controls is good or if it needs to be changed for better ergonomy
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5Step 5
Then transfer the measurements to the plastic top cover
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6Step 6
Now make the hole for the potentiometer. After the hole is done mark the position of the potentiometer tab and make a hole for it.
Then check if the potentiometer fits well -
7Step 7
The potentiometers used are from the 'big old ones', so it was necessary to trim the side edges of the box right under the top cover
After the trimming the pot fits well
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8Step 8
Now take out the potentiometer and make the hole for the push button
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9Step 9
Now assemble both the potentiometer and the push button and check if both are firmly attached to the top cover by their nuts
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10Step 10
Now it's time to trim the potentiometer rod. Insert the knob totally and make a mark on the rod where the knob ends.
Take out the knob and measure the distance
Make a mark with equal distance from the bottom of the rod
Now cut the rod on the new mark
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