All parts can be found on Amazon, AliExpress, Ebay etc. Make sure the items you're ordering match the pictures. Listed prices are the lowest I could find on AliExpress.
| Part | Reference Photo | Price | Notes |
|---|---|---|---|
| NodeMCU ESP32 ESP-WROOM-32 |  |
$4 | 30 pin version |
| 2x STEPPERONLINE Pancake Nema 17 motors |   |
$18 | |
| 2x Stepper Motor Driver control extension boards |  |
$2 | |
| 2x BigTreeTech TMC2209 Stepper motor drivers |  |
$14 | |
| 2x GT2 Pulley 20 teeth 5mm bore 6mm shaft |   |
$2 | Make sure to get the pulley with those exact dimensions |
| GT2 Timing belt 2mm pitch 6mm width |  |
$6 | |
| MG90s metal gear servo |  |
$2 | |
| USB-C PD trigger module |  |
$1 | |
| LM2596 step down voltage regulator |  |
$1 | |
| 30W USB-C power delivery adapter |  |
$3 | You can use any PD adapter with at least 30W and can supply 12V |
| USB-C male-to-male 10ft cable |  |
$1 | |
| M-F and F-F breadboard jumper wire 10cm and 20cm |  |
$2 | |
| M3 hex bolt set |  |
$2 | You'll need 6/8/12/25 mm bolt lengths |
| 2.54m pitch male headers |  |
$1 | |
| M3 heat inserts |  |
$1 | Optional - only one is used for the pen, and you can use an M3 bolt without it |
| 12mm M3 thumbscrew |  |
$1 | Optional, but sure is nicer. You only need 1 |
| 10cm stepper motor cable |  |
$2 | These are surprisingly hard to find, I bought mine on AliExpress. You can also simply cut and solder together the long cables that came with your steppers |