Snappy
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Release status: Experimental
| Description | A cheap, printable 3d printer that snaps together with no screws, rails, belts, or strings, and uses only one bearing.
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This article is about the Snappy RepRap 1.0 Printer.
PLEASE NOTE: This is the current home for community generated documentation (Please Contribute!). The official Snappy documentation is maintained at GitHub. Please refer to that site as well.
Overview
Snappy is an Open Source RepRap 3D printer designed by RevarBat from 2014 to 2015. It is a true RepRap, using very few non-printed parts. This design needs no rails, belts, pulleys, or threaded rods. This means that you should be able to put one together for under $300, including the price of plastic to print parts. The entire thing snaps together without screws or nuts, and you should be able to assemble it from parts in only a couple hours. The few required non-printable parts are available world wide from a variety of suppliers.
Snappy is an original design, created in OpenSCAD, so many individual design parameters can be altered to fit the end user's specific needs.
You can see video of the previous version's prototype running here.
Specifications
These specifications are for the Snappy RepRap 1.0:
- Printed Parts: around 35 different parts
- Non-Printed Parts: Motors. Electronics. Glass build plate. One 686 bearing.
- Printing Size: build area of about 7.5" x 7.5" x 7.5" or 19cm x 19cm x 19cm
- Material Cost: $85
- Cost: About US$ 300 (all parts, including plastic)
- Precision: about 0.05mm, all three axes
- Speed: 100mm/sec (position), 60mm/sec (printing)
Non-Printed Parts
The full list of non-printable parts for 1.0 are:
- 1 Power supply (12V, 150W)
- Controller electronics (RAMPS is cheap!)
- 3 mechanical limit micro-switches
- 5 Stepper motors (NEMA17, 40mm long, 1.5A/phase)
- Wiring
- 1 Bearing (686)
- 2 cooling fans (40mm)
- 1 Standard J-Head MkV extruder hot end
- 1 Extruder drive gear
- 1 Borosilicate glass build platform (about 200mm x 200mm)
- 4 mini binder clips
Files and Documentation
Please note that the GitHub links point to the v0.93
- STL Files can be downloaded from [1].
- A full Bill of Materials (BOM) is available at [2].
- OpenSCAD source files are available at the Snappy GitHub repository.
- Assembly instructions will soon (as of Sept 2015) be available at [3].
