Re: brand new to this stuff, need starting advice

Khalid Baheyeldin

You can get pulleys in 6mm bore.

The reprap stuff for 3D printers made this stuff readily available on eBay.


Search onĀ  "GT2 pulley".

The issue is that with any transfer mechanism, be they gears or pulleys, you can introduce non-periodic error.

See the small pulley in this video at 5:50

That wobble will introduce elongated stars.

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