Budget Strapped
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Release status: unknown
| Description | A low cost RepStrap
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Overview
This printer is intended to be a very low cost 3D printer that is still capable of printing useful items. Since the cost of filament is significant in the running of a low cost 3D printer, this printer will be designed to print recycled HDPE.
Design Goals
- under ~$100 total cost.
- ability to print will filament made from recycled household plastics. Specifically HDPE (#2 plastic).
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.
