Prusa i3 builder's source list
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Prusa i3 builder's source list - summary page
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Green = primaryLinks are suggestions, products I know are right but there are other places to get everything on this list, if you prefer to shop around a bit.
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Yellow = alternative
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ItemQuantityEst pricenotesLink
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RAMPS 1.4 and drivers118This is a RAMPS 1.4 board and the newer driver modules that can deliver more current.http://www.ebay.com/itm/400994818765
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LCD control panel110http://www.ebay.com/itm/311444533275
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Arduino MEGA110http://www.ebay.com/itm/400994708253
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Wiring sets34 wire connectors (x/y/z/z/e motors)http://www.ebay.com/itm/201126303064
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22 wire connectors (x/y/z endstop, thermistor(s))http://www.ebay.com/itm/311009051149
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Printed parts1$30This is from DragonflyDIY - contact john@dragonflydiy, print is on demand, let me know what color you want. Printing generally takes about 3 days.
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Stepper motors560NEMA 17 motor, bipolar 4 or 6 lead with coil resistance < 2 ohms, or 2 volt (you want it to draw over an amp). It needs to be in the range of 56 oz-in of torque. ebay search for "lot 5 high torque reprap motor bipolar" - There are a lot of the WRONG motors out there, watch out.http://www.ebay.com/itm/161557923706
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Power supply116Metal box power supply - 5 amps at the very least, 7 to 10 is better.http://www.ebay.com/itm/181203699404
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Female spade connectors6To attach to power connector below, or you can just solder to it.
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Power connector14If the link is expired, search ebay for "universal ac power socket fuse" - I will supply this because it has to match the printed bracket for it.http://www.ebay.com/itm/300678268289
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Fuse145x20 10 amp fuse. Usually about $3.50 shipped for qty 5.http://www.ebay.com/itm/271210775539
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Uninsulated butt connector2To connect to hotend heater resistor- NOT NEEDED if you use a cartridge heater
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Smooth rod330From DragonflyDIY. I source the raw rod from Fastenal. You need an abrasive cutting wheel to cut this, you can NOT cut it with a hacksaw. I will precut it for you if you get it from me.https://www.fastenal.com/web/products/details/46956
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Threaded rod, 5/16" (or M8)3 feet4Cut to 4 x 205mm (Y axis cross pieces) and one 20mm piece (extruder idler bearing axle)
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Threaded rod, 7/16 (or M12)3 feet5Cut to 2x 440mm - standard is 400mm, I think go a little longer.
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Threaded rod, M56For Z axis drive-could substitute SAE #10 but metric is better in this case.
Cut to 2x 370mm. Price is from DragonflyDIY
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Hotend (with heater/thermistor)118J-Head. Pick your nozzle diameter and filament size. I like 0.5 but 0.4 or 0.35 are viable as well.http://www.ebay.com/itm/262029342012
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Groovemount plate18Attaches the hotend to the extruder. Not too hard to make but this fits very tight. Will ship with parts kit to save shipping
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Timing belt and pulleys1 set102 meters of belt, 2 pulleyshttp://www.ebay.com/itm/262055953276
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Microswitch endstops2for x/y endstops, where there is NO need for good accuracy. I have a ton of these laying around and will throw them in to the kit
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Hall or Optical endstop5For Z axis - need accuracy here. Sold in 3 packs on eBay for $12 shipped, I'll sell 1 for $5 with the kit or you can buy 3 for $10 if you want to use these on all axeshttp://www.ebay.com/itm/130991574202
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608zz bearing31for extruder
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624 bearings44X/Y idler - used in groups of 2
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LM8UU bearings10$10Go to ebay. It wouldn't hurt to get 12 if you find a bundle of 12. Sometimes there's a noisy bearing in a set and having spares is good.
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#6 x 1/2" wood screws16for all misc hardware
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#6 x 3/4" wood screws24
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#6 x 1" wood screws20
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#4 x 3/4" screw2
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#4 nut2
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6-32 x 3/8" setscrew1
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6-32 x 3/4" screw4
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6-32 x 1" screw14
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6-32 x 2" screw2
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6-32 x 2 1/2" screw1
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6-32 nuts (normal)18
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6-32 nuts (tiny sized)6These are the same wrench size as M3 nuts - they're necessary on a few parts where there just isn't room in the design to fit a normal 6-32 nut.
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6-32 washers14
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#8 x 1" machine screw2
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#8 nut2
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M5 nuts2
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7/16" nuts10
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5/16" nuts22
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1/4" washers28These are to go onto 5/16" rod. Generally 5/16" washers are too big, 1/4" washers fit better. Make sure yours fit over 5/16" rod, if not buy the next size up
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Springs for extruder12hardware store
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M5-0.8 hex nuts1for Z drive - hardware store
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M3x6 screw4Z endstop mount
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M3x10 hex socket screws142For motor mounts
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M3x20 screw1Z endstop mount
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M3 nut1Z endstop mount
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Hobbed bolt w/nylock nut1$5
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zip ties, small (4")22
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zip ties, large (11")4
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5mm Kapton tape1FtTo wrap hotend to hold in thermistor and heater
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Heat sink compoundJust a smear to put between the heater and the resistor.
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Plywood parts15Cut frame from a 2 x 4 foot piece of 5 ply 1/2" (12mm) good quality plywood - template link --->https://docs.google.com/file/d/0B5KQoskdsdeDNEFpTTY0ZmdSQjg/edit?usp=sharing
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Wire bundling wrap3Just to make things look neat
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Electrical tapeWrap threaded rod before securing wire to it (to keep threads from cutting insulation) - or just to secure things. You just need electrical tape, you know?
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3/16" ID vinyl hose2A couple of 1.5" pieces is all you need
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Large bulldog clips23To attach build surface to Y platform
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Build surface3You can use whatever you want, but glass is nicely flat. Non-flat build surfaces will drive you completely around the bend. You need a 9x9 inch hunk of glass. < $3 at Lowes, and they'll cut it free. Put some tape at the edges to keep from cutting yourself. If your supplier has "double strength" glass, use that.http://www.geeetech.com/borosilicate-glass-p-660.html
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TOTAL$292
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Tools
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philips screwdriver #2
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Pliers
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Knife/wire stripper
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scissors
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Soldering equipment
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wire cutter
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Adjustable wrench or wrenches to fit all nuts in the project
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OPTION: heated bed
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If you want to do a heated bed, let me know, I will re-research this
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Honestly I have not had good luck with heated beds. I just print everything in PLA
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at room temperature on 3M blue tape with no heat and don't have any trouble.
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Summary
Printed parts summary
Y axis
Frame
Extruder
X+Z axis