https://www.pcbway.com/ offer lower pricing on multilayer PCBs with 4-6 layers!
Aaaaanndd there goes the Y-axis! We're installing the first stepper motor, applying a forgotten 90s technology of using thin steel cable instead of a timing belt!! You'll also find out how I ended up using the crappiest stepper motors I could possibly find for my unipolar 3D printer project, and we do some very scientific comparisons of microstepping accuracy on those motors versus some decent quality ones. Turns out they can't be used with microstepping at all! So in the long run I'll have to install lead screws after all - which is a shame, but unavoidable if I want this printer to spit out some decent parts. For now though I'll stick with the fishing line direct drive until I've got the software all set up, because not having to wait an entire minute for the carriage to go from one side to the other saves me a lot of time in the experimental stage...

Here's the test code I used:

Microstepping test one step every two seconds:
https://drive.google.com/file/d/1Qpjt...

Bidirectional speed control potentiometer:
https://drive.google.com/file/d/1Sr5E...

And some affiliate links to the parts I got for this printer:
5pcs A4988 stepper motor drivers: https://s.click.aliexpress.com/e/_Apv00b
Cheapy hotend kit: https://s.click.aliexpress.com/e/_A217Gn
Arduino mega 2560: https://s.click.aliexpress.com/e/_AnxG2B
Geeetech PLA filament: https://s.click.aliexpress.com/e/_DBW...
4010 turbine fan: https://s.click.aliexpress.com/e/_AnUid9
100k NTC temperature sensor for heated bed: https://s.click.aliexpress.com/e/_A9cOwJ
10m nylon coated fishing line: https://s.click.aliexpress.com/e/_9HKabt
Keep in mind I got a few of these items during sale, so the total might well be above $50 now (especially with inflation)

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Additional sound effects from https://www.zapsplat.com
benchy pic credits to Denise at:
https://stldenise3d.com/benchy-first-...