Uniqua is very cool pen plotter. She has 2 y-axis' to increase stability, limit switches for automatic homing, and a very good sense of style. This is the most complex project I have ever undertaken, despite the relatively off-the-shelf electronics setup. The CAD is completely customm
Credits to Krishna Kumar for the diagram
| Name | Purpose | Source | Price | Link | Total |
|---|---|---|---|---|---|
| 6pcs 8*400 Linear Rods | For bearings to slide on | Amazon | $27 | link | |
| Power Supply | To give arduino power | Amazon | $7.50 | link | |
| GT2 stepper motor pulley | To hold belt | Amazon | $6 | link | |
| Linear ball bearings | To enable smooth movement of gantries | Amazon | $12 | link | |
| Taxes | So the government gets a cut too | Amazon | $1.9 | none | |
| SG90 Servo | To lift pen | Aliexpress | $2.31 | link | |
| FTM Jumper Cables | To connext electronics wires | Aliexpress | $2.90 | link | |
| Arduino Uno Clone(extra in case of malfunction) | The brains | Aliexpress | $9 | link | |
| GT2 Idler pulley | To hold belt | Aliexpress | $3.51 | link | |
| M3 x 16 screws | to hold stepper motors | Aliexpress | $1.19 | link | |
| M5 x 20 screws | to hold idler pulleys | Aliexpress | $1.79 | link | |
| Stepper motor driver | to drive stepper motors | Aliexpress | $6.30 | link | |
| CNC shield | has all the works for safe cnc-ing | Aliexpress | $2.33 | link | |
| 4 x 100 linear rod | For the pen holder to slide up | Aliexpress | $4.26 | link | |
| Limit switch | Automatic homing | Aliexpress | $1.58 | link | |
| M5 washers | So pulleys don't directly touch the plastic | Aliexpress | $1.68 | link | |
| m5 hex nuts | for m5 screws | Aliexpress | $2 | link | |
| gt2 timing belt | to move gantries | Aliexpress | $3.6 | link | |
| nema 17 stepper motor | to move belts | Aliexpress | $12.9 | link | |
| M8 x 500 threaded rod | To enhance stability | Aliexpress | $14.7 | link | |
| 5 x 15 Spring | For more consistent pen contact | Aliexpress | $2.43 | link | |
| m8 hex nuts | for m8 rods | Aliexpress | $2.43 | link | |
| *m2 x 10 screw | For pen lift mechanism and fastening limit switches | Aliexpress | $~1.5 | none | |
| *m2 x 3 heatset inset | For holding screws | Aliexpress | ~$1.5 | none | |
| Taxes | governments | Aliexpress | $6 | ||
| $134.88 |
*Already have these