BOM 3DR East Lansing
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possible cost savingsSubassemblyPart Description from RichRap's blogQty/buildPricePrice/unitShippingInitial Order (4 units, except extruder, board, motors)subtotal, initial order 4 unitsordered?minimum Package sizeSourcePart Description from supplierPart #LinkAlternative buys
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Based on a 400mm heightTOTALS:$427.68$414.05$766.92
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3mm carbon fiber tube (110mm per leg for the build - 660mm)1$2.99$2.99$6.454$11.96x1BMK Designs3mm Carbon Fiber Rod3mm Carbon Fiber Rodhttp://www.bmkdesigns.net/3mm-carbon-fiber-rod.htmlhttp://www.hobbyking.com/hobbyking/store/__6722__carbon_fiber_tube_hollow_3x2x750mm.html$1.69
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Tie Rod n Ball Joint Pack Set of 12 (3mm)1$7.00$7.00$45.004$28.00x1robotdiggTie Rod n Ball Joint Pack Set (3mm)Tie Rod n Ball Joint Pack Sethttp://www.robotdigg.com/product/75/Tie-Rod-n-Ball-Joint-Pack-Sethttp://www.hobbyking.com/hobbyking/store/__8265__Standard_Bearing_Joints_2_8x22x5_5mm_10pcs_.html
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xStainless steel smooth rods, 6mm... length max =1M, 400mm3$9.86$29.58$20.2412$118.32x15.43%1Mcmaster6mm Mulipurpose stainless steel rod (~1000mm)1272T15http://www.mcmaster.com/#1272T15
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M5 T-slot nuts6$2.55$3.836$15.30x1.99%4McMasterM5 fastener for 20mm mcmaster profile5537T154http://www.mcmaster.com/#5537T154http://www.ebay.com/itm/like/370794636731?lpid=82
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Aluminum 20mm T-slot (80/20)... height = 50mm + 6mm rod length, 450mm0.5$17.19$8.602$34.38x4.48%1McmasterT-slot aluminum, 20mm, 6ft length5537T101http://www.mcmaster.com/#80-20-compatible-t-slotted-framing/=pbrx1s
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M5 washers6$2.15$0.131$2.15x0.28%100McMasterDIN125, zinc plated class 4 steel91166A240http://www.mcmaster.com/#91166A240
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M5 x 10/12mm Socket cap bolts (or dome bolts)6$6.89$1.651$6.89x0.90%25McMasterMetric Low Head socket cap bolts92855A513http://www.mcmaster.com/#92855A513
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M4 x 12mm Socket cap or dome bolts20$4.13$3.304$16.52x2.15%25McMasterMetric Low Head socket cap bolts92855A413http://www.mcmaster.com/#92855A413
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M4 washers - use on the above40$1.93$0.772$3.86x0.50%100McMasterDIN125, zinc plated class 4 steel91166A230http://www.mcmaster.com/#91166A230
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M4 Crinkle washers - use on the above20$1.64$0.331$1.64x0.21%100McMasterMetric Zinc-Plated Steel Tooth Lock Washer Serrated, M4 Screw Size, 8mm OD, 0.5mm min Thick97985A730http://www.mcmaster.com/#97985A730
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M4 nuts (You can use Nylock nuts in many places rather than the Crinkle washers and normal nuts, but you need at least 4 x normal M4 nuts to complete the build20$1.39$0.281$1.39x0.18%100McMasterMetric Zinc-Plated Steel Hex Nut Class 6, M4 Screw Size, .7mm Pitch, 7mm Width, 3.2mm Height90591A141http://www.mcmaster.com/#90591A141
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M3 x 20mm Socket cap or dome bolts - for the bed catches and mounting the electronics.8$9.13$0.731$9.13x1.19%100McMasterBlack Class 12.9 Socket Head Cap Screw Alloy Steel, M3 Thread, 20mm Length, 0.50mm Pitch91290A123http://www.mcmaster.com/#91290A123
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M3 x 10mm Socket cap or dome bolts - for the motor's and extruder.15$6.39$0.961$6.39x0.83%100McMasterBlack Class 12.9 Socket Head Cap Screw Alloy Steel, M3 Thread, 10mm Length, 0.50mm Pitch91290A115http://www.mcmaster.com/#91290A115
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M3 x 6mm dome bolts. I know a silly size, but they are for the Motor
Filament spools - you could cut down 10mm ones if they are tricky to
get.)
9$6.88$0.621$6.88x0.90%100McMasterClass 10.9 Steel Button Head Socket Cap Screw, M3 Size, 6 mm Length, .5 mm Pitch91239A111http://www.mcmaster.com/#91239A111
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M3 nut's 12$1.39$0.171$1.39x0.18%100McMasterMetric Zinc-Plated Steel Hex Nut Class 6, M3 Size, .5mm Pitch, 5.5mm Width, 2.4mm Height90591A121http://www.mcmaster.com/#90591A121
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M8 nut's (one is used on the Top Boss for the filament spool)3$4.51$0.141$4.51x0.59%100McMaster90592A022http://www.mcmaster.com/#90592A022
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M8 Threaded rod x 120mm for Filament spool1$2.27$0.281$2.27x0.30%8McMasterMetric Class 4.6 Plain Steel Threaded Rod, M8 Size, 1 Meter Length, 1.25 mm Pitch98861A080http://www.mcmaster.com/#98861A080
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M8 plain Washers3$3.19$0.101$3.19x0.42%100McMaster91166A270http://www.mcmaster.com/#91166A270
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Tie-wraps 3.2mm x 100mm for the carriages LM6UU's and tidy up electronics wiring.12$2.43$0.291$2.43x0.32%100McMaster7130K52http://www.mcmaster.com/#7130K52
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608ZZ bearings3$0.30$0.9012$3.60x1RobotDigghttp://www.robotdigg.com/product/12/608ZZ-Ball-Bearing
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LM6UU Linear bearings6$0.65$3.9024$15.60x1RobotDigghttp://www.robotdigg.com/product/42/LM6UU-Linear-Bearing
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Stepper Motor - 2 options - Robotdigg (cheaper, less powerful) vs phidgets (more expensive, maybe more powerful). Cheaper version is listed 3$6.80$6.8013$88.40x3RobotDiggNEMA 17 stepper, 1.2ANEMA17-Stepper-Motorhttp://www.robotdigg.com/category/7/NEMA17-Stepper-Motorhttp://www.phidgets.com/products.php?category=10&product_id=3303_0
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Stepper motor - for extruder, more amperage1$15.00$15.00$24.034$60.001PhidgetsNEMA-17 Bipolar 48mm Stepper3303_0 http://www.phidgets.com/products.php?category=10&product_id=3303_0
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Hall effect end-stops..magnets ... see comments3$0.72$2.16$7.1912$8.64x1digikeyHall effect sensor pin compatible Allegro A1101http://www.digikey.com/product-detail/en/A1101LUA-T/620-1001-ND/1006576
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consider using a cheaper controller?RUMBA Electronics (you can use other electronics sets, but 3DR electronic mounts are spaced for RUMBA). (Megatronics electronics also fits nicely into the 3DR. RAMPS it a little high but could be made to fit with a small printed adapter.)1$99.00$99.00$20.001$99.001reprapdiscounthttp://www.reprapdiscount.com/electronics/33-rumba-basic-board.htmlhttp://www.ebay.com/itm/Sanguinololu-Rev-1-3a-assd-A4988-Pololus-kit-PCB-RepRap-Prusa-Mendel-/271078101223?_trksid=p2054897.l4275
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Teflon tube 4mm outer 2mm inner x 500mm long1$1.80$0.452$3.60x4robotDigghttp://www.robotdigg.com/product/93/ID-2mm,-OD-3mm-PTFE-Tube-2-Meters52335K32
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About 6M of Spectra Line 90Lb (0.5mm) fishing line - or other options that are similar.0.12$4.00$0.481$4.00x1robotdiggPE Braided 70LBS Fishing Line 50Mhttp://www.robotdigg.com/product/52/PE-Braided-70LBS-Fishing-Line-50Mhttp://www.mombu.com/fishing/fishing/t-really-non-stretch-fishing-line-authoraitative-advice-please-9004990.html
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Material for the Build platform, it's a ~170mm (6.7") circle 3mm thick - ideal materials are Di-bond, Aluminium or Tufnol. - Glass if you can get a round or hexagon shape.1$3.99$3.991$3.991Hobby Lobby8'' round decorative plate8477K94http://shop.hobbylobby.com/products/8-round-decorative-mirror-plate-531814/http://shop.hobbylobby.com/products/8-round-decorative-mirror-plate-531814/
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USB cable1$0.001$0.000.00%1you probably have one
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60W or higher DC 12V power supply (Brick)1$0.001$0.000.00%1broken power supplies are often easy to fix - scrapyard it
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Mains cable for your country. $0.001$0.000.00%1you probably have some
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SPOOL OF ABS FILAMENT 1.75mm1$15.00$15.001$15.00x1robotdigg1.75mm ABS Filament in Black or Whitehttp://www.robotdigg.com/product/15/1.75mm-ABS-Filament-in-Black-or-White
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624ZZ bearings for spindle pulley6$0.35$2.1024$8.40x1robotdigg
624ZZ Ball Bearing
http://www.robotdigg.com/product/11/624ZZ-Ball-Bearing
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3D printed parts (see http://richrap.blogspot.com/2013/07/3dr-reprap-delta-printer-part-1-release.html for parts list)$0.00$0.001$0.000.00%1
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Anti-Backlash spring for carriage pushrods31$0.000.00%Hardware store or make yourself
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Hot EndNozzle1$3.60$3.604$14.40x1robotdigg
MK8 0.3mm Nozzle
http://www.robotdigg.com/category/14/Stepextruder
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Hot End Alum. nozzle block1$3.00$3.004$12.00x1robotdiggMK7 Aluminum Thermal Corehttp://www.robotdigg.com/category/14/Stepextruder
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Hot End Thermistor (100kOhms I think), up to at least 250 C1$0.91$0.914$3.64x1digikeyTHERMISTOR NTC 100K OHM 5% DO-35615-1020-NDhttp://www.digikey.com/product-detail/en/104JG1J/615-1020-ND/1014548http://www.robotdigg.com/category/14/Stepextruder
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Hot End Heating Resistor (at least 250 C1$2.50$2.504$10.001robotdiggReprap cartridge heaterhttp://www.robotdigg.com/product/19/12V-40W-Reprap-Cartridge-Heaterhttp://www.robotdigg.com/category/14/Stepextruder
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Hot End high temperature glue (at least 250 C)1$13.50$13.504$54.001homedepothttp://www.homedepot.com/p/PC-Products-PC-Fahrenheit-2-oz-Putty-Epoxy-045572/100648873?keyword=high+temperature+epoxy#.UoVSxhqkr14
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Hot End cooling heatsink1$2.50$2.504$10.001.30%1
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Hot End Thermal tube with PTFE linter for 1.75mm Filament1$4.00$4.004$16.001robotdiggThermal tube with PTFE linter for 1.75mm Filamenthttp://www.robotdigg.com/product/84/Thermal-Tube-with-PTFE-Liner-for-1.75mm-Filament
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Hot End Kapton0.2$9.50$1.901$9.501robotdiggKapton, 100mm, 30mKapton, 100mm, 30mhttp://www.robotdigg.com/product/35/Kapton-Tape-100mm*30M
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Cold EndRobotDigg Filament Drive Gear1$4.00$4.001$4.001robotdiggRobotDigg Filament Drive GearRobotDigg Filament Drive Gearhttp://www.robotdigg.com/product/73/RobotDigg-Filament-Drive-Gearhttp://www.amazon.com/gp/offer-listing/B00HWN0RCY/ref=dp_olp_0?ie=UTF8&condition=all
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Cold EndMK7 Molded Drive Block1$6.80$6.801$6.801robotdiggMK7 Molded Drive BlockMK7 Molded Drive Blockhttp://www.robotdigg.com/product/70/MK7-Molded-Drive-Block
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Pololu stepper motor drivers or equivalents4$7.99$31.96$4.955$39.751reprapdiscount4reprapdiscountSet of A4988 Pololu compatible driverhttp://www.reprapdiscount.com/electronics/13-a4988-pololu-compatible-driver.html
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