Budget Strapped

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BudgetStrapped

Release status: unknown

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Description
A low cost RepStrap
License
Author
Contributors
Based-on
Categories
CAD Models
External Link

Design Goals

  • under ~$100 total cost.
  • ability to print will filament made from recycled household plastics. (Maybe recycle codes 2,4, and 5)

Structure And Motion

  • Printhead will move on X and Y axes, printbed will move on Z axis
  • Frame will be made (primarally) out of 2"x4" lumber
  • X and Y axes will use drawer slides (like WolfStrap)
  • Positioning on the drawer slides will be done using 65lb test multistrand fishing line.
  • Z axis will move on four 10-24 threadded rods
  • Multiple 28BYJ-48 stepper motors will be used on each axis instead of NEMA 14 or 17 stepper motors

Electronics

  • An Arduino Nano will be the core of the electronics.
  • A shift register will be used to increase the number of digital I/O pins
  • 1 darlington array driver chip per motor (These come with the motors)
  • A bottom-of-the-line PC power supply will be used to provide power.
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