And it doesn’t matter why you need it - to reduce the time with the sound with the image when editing movies, or just as a souvenir, interior item or accessory for cosplay. Let it be, it will not hurt. So the author of Instructables decided under the nickname fabrika.carolija.
He downloaded and printed a sticker for such a cracker and took boards with dimensions of 520 x 95 mm, as well as planks of square section 15x15 mm. You can take a hacksaw.
And now four identical parts are ready with dimensions of 260 x 95 mm. One of them will be the upper movable part, the other three will be the lower stationary part. Like this:
He marked the moving part:
He sawed and drilled, also drilled the bar on which it will hold:
Secured:
Attached to the fixed part, marked and drilled:
Also fixed:
On the opposite side, I attached the same bar in the same way, but shorter and not connected to the moving part:
Showed an intermediate result:
I glued double-sided tape:
And on top of it is a printout that I sealed with glossy tape so that you could write with an erasable marker:
I processed the tree with sandpaper, so as not to get a splinter, and just for beauty. Here's what happened:
The master recommends attaching a small load to the moving part on the right so that it claps louder.