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QtyDescriptionSupplierPrice UK£ ex VATPrice UK£ inc VATPrice US$NotesAlternatives
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Extrusion and accessoriesYou could use Motedis B-type or Mitsumi extrusion instead, but make sure you get compatible slot nuts
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3Extrusion 2040 x 1.0m I-typeMotedis£15.72
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3Extrusion 2040 x 390mm I-typeMotedis£6.09
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2Extrusion 2060 x 390mm I-typeMotedis£6.52
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2Extrusion 2020 x 390mm I-typeMotedis£2.14
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31M3 slot nut with guidance for I-type extrusionMotedis£8.242.06 per 10, or 18.00 for 100. 24 for attaching linear rails, endstop switch mounts and carriage stops to the towers; 5 for attaching cable tidies to Z tower; 2 for attaching PanelDue enclosure
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75M4 slot nut with guidance for I-type extrusionMotedis£18.002.06 per 10, or 18.00 for bag of 100. 24 for attaching lower corners to horizontal extrusions. 24 for attaching upper corners to horizontal extrusions; 12 for attaching corners to vertical extrusions; 6 for attaching front panel; 2 for attaching extruder mounting bracket to Z tower; 4 for attaching base plate to lower horizontal extrusions; 3 for attaching filament spool holder
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Carriage from GermanyMotedis£15.41
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Vertices and linear rails
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1Set of 6 2040 aluminium verticesRobotdigg$73.00Includes the idler kits for the top vertices
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3750mm linear rail MGN12-1H-750Robotdigg$114.00
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3Metal carriage for open-loop belt, with belt tensionerRobotdigg$30.00Print your own
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316 tooth GT2 drive pulley, 5mm boreRobotdigg$4.50
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6m6mm wide GT2 glass reinforced beltRobotdigg or eBay$15.00Price quoted is for 10m. You need 3 lengths each just under 2m long.
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316-tooth idler pulley, 3mm bore for 6mm GT2 belteBay£12.00You can use the smooth idler kit supplied by Robotdigg with the vertices instead, but the belts vibrate and make a noise running over them
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DiscountRobotdigg-$5.00
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Carriage from ChinaRobotdigg$54.00
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Stepper motors
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317HM19-2004Somc-stepperonline.com$41.25Make sure that your motors come with cables, or else buy cables to fit themI re-used my 17HM19-1684S motors, but the -2004S is a better match for the Duet WiFi. Use lower current motors if you choose a Duet Maestro instead.
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117HS13-1334Somc-stepperonline.com$9.31I re-used a JK42HS34-1334 which has very similar specifications. You could use a 0.9deg motor instead.
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4Stepper motor cables or extension cablesThe X, Y, Z, E motors need about 700, 400, 200 and 700mm respectively. You can make your own extension cables using 4-core 2A cable.
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Base plate
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1Aluminium sheet 300 x 300 x 2.5mmeBay seller sgs132 or Lakeland Steel£6.05
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Hot end
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1E3Dv6 hot end less heatsink and temperature sensor, 1.75mm Bowden version, 24Ve3d-online, duet3d.com, Filastruder etc.£30.00
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1E3D PT100 temperature sensore3d-online, duet3d.com, Filastruder etc.£12.50You do NOT need the E3D amplifierPT1000 or thermistor
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1Bondtech BMG extruderBondtech, Ooznest, Filastruder£100.80I originally used the E3E Titan extruder, but the Bondtech is much better IMO. A lower cost option is the spring-loaded variant of Ormerod printable extruder. The E3D Hemera would be another option.
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600mmCapricorn PTFE tube 4mm o.d. x 1.9mm i.d.e3d-online£5.34
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Rods
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1Set of 6 magnetic rods, 360mm long, with 12 ball studsHaydn Huntley or Duet3D£65.00
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Bed
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1Aluminium plate 330mm diameter x 5mm or 6mm thickLakeland Steel£42.11There is a risk that it won't be flat enough. Aluminium tooling plate would be better, but I haven't found a source of round or hexagonal plate yet.
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1Silicone bed heater, 300mm diameter, 350W @ your AC mains voltage, with adhesive sheet and thermistorShenzen Ali Brother Technology via Alibaba$35.00Keenovo
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1Cork sheet 330mm diameter x 6mm or 7mm thickeBay or Amazon£6.95440x320mm seems to be a standard size and is OK if you don't mind a 5mm gap at two opposite edges or extra cutting and gluing. Or use triple-skin corrugated cardboard instead.
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1300mm to 330mm diameter PEI or PrintBite sheetPrintBite: flex3drive.com, PEI: Amazon£25.00A 12x12" PEI sheet can be cut down to size
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Electronics
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1Duet WiFi 3D printer control boardduet3d.com or one of their distributors£120.00Use Duet Ethernet instead of WiFi is very congested where you live, but you will have to hack the upper 2020 extrusion to make extra height for the Ethernet connector. The Duet Maestro would also be suitable if you choose lower current stepper motors for the towers.
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1PT100 daughter board for Duet WiFiduet3d.com or one of their distributors£23.00Not needed if you use a PT1000 or thermistor instead of PT100
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1PanelDue 7i with cableduet3d.com or one of their distributors£80.00Optional because the Duet provides a web interface. 5" version also available at a lower price.
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`1Duet3d rotating magnet filament monitor (optional)duet3d.com or one of their distributors£45.00Optional. The laser version costs less but doesn't work well with some filaments.
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1Meanwell LRS-150-24 power supplyFarnell£23.52Originally I used a Chinese no-name 24V 5A supply, but it started burning out components and the PCB after ~2 years
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3Endstop microswitch, approx. 20mm wide with 9.5mm fixing centresFarnell, eBay£2.95Widely available on eBay but get good-quality ones. Lever arms not required, but the arms on some microswitches with them can be pulled off.
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1Smart effector and carriage adapters for delta printer, including heatsink and connector kitduet3d.com or one of their distributors£45.00
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1Bulgin PX0575/15/63 low profile IEC mains inletFarnell stock #469658£1.16
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1Panel mount 20mm fuse holderFarnell stock #9630198£1.79
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13.15A (for 230V) or 6.3A (for 115V) 20mm cartridge fuseeBay
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1Arcoelectric H8553VBNAO illuminated mains rocker switchFarnell stock #150388£2.06
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16 way 5A terminal blockeBay or an electrical part shop£1.15Price is for a 12-way terminal block
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1SSR-25DA solid state relayeBay£5.00Preferably including safety cover. SSR-10DA is sufficient if your mains is 230V.
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224V 40mm square x 10mm thick brushless faneBay£7.98One for cooling electronics, one for cooling the print. Ball bearing fans will generally stay quieter for longer than sleeve bearing fans.
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0.3mMains cable, 5A if you have 230V mains, 10A if you have 120V mainsRemove the outer sheath - you only need the colour-coded cores
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0.5mRed/black twin cable rated 5A or moreFor connecting the PSU to the Duet
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0.3mLow current red/black cableFor connecting the SSR control terminals to the DuetYou could use more of the 5A red/black cable instead.
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5mTwisted pair cableFor endstop switch connections. Does not need to be shielded.
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12m long PanelDue cable4-core
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10m8-core cable, 7/0.2 per conductorFarnell, RS etc.
https://uk.rs-online.com/web/p/multicore-industrial-cable/6604052/
For effector to Duet wiring
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1IEC mains cable
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6Small insulated blade receptacleseBayFor endstop microswitches
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4Medium insulated blade receptacleseBayFor mains switch
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36.35mm insulated blade receptacleseBayFor IEC mains inlet
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14.3mm eyelet crimp terminaleBayFor grounding extrusion
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64.3mm insulated fork receptacleeBayFor connecting to power supply
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Fastenings
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6M2.5 x 12mm socket cap head screwFor attaching endstop microswitches to endstop mounts
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2M3 x 6mm button headFor securing the power supply to the base plate. Cap head will do.
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35M3 x 8mm socket cap head12 for fixing motors to lower corners, 18 for fixing rails to towers, 5 for fitting cable tidies to towers
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14M3 x 10mm socket cap head screw2 for attaching the PanelDue enclosure; 12 for attaching carriages to sliders
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3M3 x 12mm socket cap head screw3 for attaching endstop switch mounts to towers
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7M3 x 16mm socket head cap screw3 for attaching carriage stops to sliders, 4 for attaching electronics cooling fan to rear support
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2M3 x 16mm button head screw2 for securing the terminal block to the base plate. Cap head will do.
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3M3 x 35mm fully threaded screwFor idler assemblies. Preferably cap head, but hard to find. I used countersunk instead.
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10M4 x 8mm button head screw4 for attaching base plate to extrusions; 6 for attaching front panel to extrusions
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12M4 x 8mm countersunk screwFor attaching the corners to the vertical extrusions. The corners will take M5, so will some types of extrusion. If you use M5 then you will probably need 10mm length.
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26M4 x 10mm socket button head screw24 used for attaching extrusons to metal corners; 2 for attaching extruder mounting bracket to Z tower
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4M4 x 16mm button head screwFor attaching the electronics rear support and the SSR to the base plate
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3M5 x 16mm button head or cap head screwFor attaching the feet. Longer is OK it you tap the extrusion deep enough.
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3Brass M3 x 10mm male-female tapped and threaded hexagonal pillarsFor attaching the bed plate to the lower frame. The body should be 10mm long and the protuding thread should be about 5mm. I had to cut down the thread length.
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6M3 half nut6 for idler assemblies
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12M3 nylock nut6 for idler assemblies, 4 for attaching electronics cooling fan to rear support, 2 for attaching terminal block to base plate
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14M3 plain washer12 for fixing motors to lower corners, 2 for attaching terminal block to base plate
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3M3 large diameter washerTo put between the bottom of the threaded pillars and the top horizontal extrusion of the lower frame. Mine are 12mm diameter.
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4M4 nylock nut2 for attaching SSR; 2 for attaching Duet rear support to base plate
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6M4 plain washer2 for attaching SSR to base plate; 2 for securing Duet rear support to base plate; 2 for attaching grounding tag to extrusion
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302.5mm wide zip tieFor tidying up the wiring
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Printed parts
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3Kossel foot£0.00http://www.thingiverse.com/thing:858716
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1Electronics and mains inlet panel£0.00http://www.thingiverse.com/thing:965396
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1Electronics rear panel£0.00http://www.thingiverse.com/thing:1617834
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3Endstop switch mount£0.00https://www.thingiverse.com/thing:2464289
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3Carriage stop£0.00https://www.thingiverse.com/thing:2464289