This is a wall mount for vinyl records with led backlight.
You Need:
3x: M3 Thread inserts : https://www.amazon.de/gp/product/B08BCSSKY1/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1v
3x: M3x10mm Screws
1x Arduino Nano: https://www.amazon.de/Moligh-doll-Atmega328-Kontroller-Arduino/dp/B07QMPPHPT/ref=sr_1_2?__mk_de_DE=ÅMÅŽÕÑ&dchild=1&keywords=Arduino+Nano&qid=1598786207&s=diy&sr=1-2
3x Cable for for connecting led strip to board: https://www.amazon.de/Wheate-120-Pcs-Colourful-Breadboard-Arduino/dp/B06XD8NBTZ/ref=sr_1_6?__mk_de_DE=ÅMÅŽÕÑ&dchild=1&keywords=Arduino+kabel&qid=1598786254&s=diy&sr=1-6
30cm LED Strip: https://www.amazon.de/gp/product/B07JBYZRWD/ref=ox_sc_act_image_2?smid=A29559WHI6ZTR8&psc=1
1x Screw for the Wall (4x40 Spax)
3D Printed Parts:
1x Nut
1x Main Part
1x Wall Part
For the code you can use the Adafruit NeoPixel Strandtest library on the Arduino IDE.
But you also can use an other LED stip for this.
Use PLA
15% infill
Support: only at Main Part
Layrs high: 0.15mm
The author hasn't provided the model origin yet.