A functional record player turntable made from 3D printed and 3D printer parts, With proper AT3600L needle and adjuestable tracking weight.
Testing of my 3D printed turntable (V1-V3):
https://youtu.be/MylsAJhz4OQ

Features:

No need for belts and pulley. (Direct Drive)
Using TMC2209 stepper driver in stealthChop mode with 42SHDC3025-24B stepper motor for direct drive.
AT3600L needle with 3.5grams tracking force.
Adjuestable anti-skate weight.
Partially working Cue Lever for lifting needle.
Required (non-printed) parts:

Arduino Uno (or clone)
42SHDC3025-24B NEMA17 Stepper motor
TMC2209 stepper driver module.
695zz (5dx13Dx4H) ball bearing.(tonearm pivot)
Audio Technica AT3600L Phono Cartridge
M5x50, M5x25 screws and nuts.
Modeling clay for counterweight.
Small copper wire for anti-skate.
Small screws for assembly.
Old earphone cable for tonearm wiring.
186mm x 10mm Aluminium tube (cut from dollar store floor wiper)
MDF board 470 x 300 x 20 mm (from old computer desk)
29mm x 3mm Round Acrylic for platter. (or MDF platter or a few LPs)
All parts are printed in ABS with 20+ infill except stepperMountPlate which printed in TPU for vibration damping.

ACC parts are optional to print.

Require some experience with turntable cartridge installation and alignment and wood working tools.

Source code for arduino: https://github.com/ksdj55/dd_turntable