Wanted to make a quick easy prop and this one was just that. From the TNG cliffhanger โThe Best of Both Worldsโ.
You'll have to add your own velcro strap. Here's a cheap one on amazon that should fit. They have different lengths so pick accordingly. https://www.amazon.com/Vigaer-Straps-Reusable-Fastening-Buckle/dp/B0775TH4RV
Guessed on dimensions but it should be a good size. Has separate clips that you glue into the body for strength. Use color swapping for the buttons and delta. Use supports on the body.
The author marked this model as their own original creation.