BOM

Bill Of Materials

Required Tools

You will need the following tools to assemble this printer.

Qty	Description
1	Multimeter for checking wiring.
1	Soldering iron.
1	Small rubber mallet to help convince some parts to join.
1	Mineral oil for lubrication.
1	Fine grit sandpaper to clean up the rails.
1	Optional cyanoacrylate glue. (super-glue)

Electronics

You'll need controller electronics to drive the Snappy. Here's what I recommend. Prices given are based on what I found on Amazon with a cursory search. All parts found had free shipping options. All costs are in US Dollars.

Qty	Description	Total Cost
1	Power Supply, 120W. (300W w/ Heated Bed)	~$20
1	Controller electronics. (RAMPS1.4+2560+Pololus)	~$45
3	Mechanical microswitch end-stops and wiring.	~$ 5
5	NEMA17 Stepper Motors, 40mm length, 1m cable	~$65
1	J-Head Extruder hot end w/heater, thermistor.	~$32
2	40mm 12v 2-pin cooling fan.	~$ 4
1m	Wire, dual conductor, 22 gauge, stranded	~$ 1
1	Heated Build Platform. (optional)	~$ 9

Hardware

You'll need the following Hardware to build the cartesian frame:

Qty	Description	Total Cost
2.4Kg	Plastic Filament. (@ $35/Kg)	~$85

1 | Extruder Drive Gear                            |       ~$ 4
1 | 686 bearing.                                   |       ~$ 1
1 | Borosilicate glass build platform. (213x200mm) |       ~$22
4 | Mini binder clips.                             |       ~$ 3

Total Cost

Not counting shipping costs, time, and labor.

~$287 without Heated Bed.
~$305 with Heated Bed.

Printed Parts

Recommended slicer settings:

3 perimeters layers
3 top and bottom layers
0.3 or smaller layer height
20% or better infill
No support necessary
No Raft or brim necessary

You will need to print out the following parts:

Qty	Name	Typical Print Time
1	Slop Calibrator (download)	1:10
2	Rail Motor Segment (download)	4:01
1	Drive Gears (download)	0:47
1	Motor Mount Plates (download)	3:45
10	Rail Segment (download)	5:04
8	Slider Sled (download)	3:32
2	X-Y Joiner (download)	2:12
4	Sled Endcap (download)	1:33
1	Platform Supports (download)	1:56
3	Rail Endcap (download)	2:12
2	Y-Z Bottom Joiner (download)	5:20
4	Support Legs (download)	1:35
2	Z Joiner (download)	3:40
1	J-Head Extruder Platform (download)	4:49
1	Extruder Motor Clip (download)	1:22
1	Extruder Idler & Latch (download)	0:32
1	Extruder Fan Shroud (download)	0:52
1	Extruder Fan Clip (download)	0:27
1	Cooling Fan Shroud (download)	0:44
1	Spool Holder (download)	3:39
2	Cable Chain Links (download)	3:56
1	Cable-Chain Mounts (download)	1:29