2,738 motor shaft 3d models found
Download or buy, then render or print from the shops or marketplaces.
3D Models below are suitable not only for printing but also for any
computer graphics like CG, VFX, Animation, or even CAD. You can print these 3d models on
your favorite 3d printer or render them with your preferred render engine.
Please note that the 3D model database is only a Search Engine. You should
visit the original websites. Most of the models can be easily imported and rendered
with Autodesk 3ds Max, Maya, Blender, C4D, and Sketchup. Check for online
3d model conversions tools for your file format.
Shown 1 of
23 pages
thingiverse
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Motor Shaft Adapter by svj3ist
...motor shaft adapter by svj3ist
thingiverse
motor shaft adapter
thingiverse
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10mm Motor Shaft Coupler
...10mm motor shaft coupler
thingiverse
i designed this to couple a re58 encoder flange to a motor shaft.
thingiverse
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Helical motor/shaft coupler by mojomoney
...ey
thingiverse
a device to attach a motor shaft to another shaft to allow it to drive the shaft and compensate for misalignment.
thingiverse
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Curved Motor Shaft by The_LAB
...curved motor shaft by the_lab
thingiverse
curved moter shaft
thingiverse
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Motor Shaft Coupler by Mazemel
... matrix leadscrew and tetrix motor. this works with neverrest motors as well. just jam the leadscrew in, to get it out, smash it.
thingiverse
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5mm Motor Shaft Coupler - RS775 Motor
... nut and bolt to hold both propeller and shaft to the coupler.
design is not symmetric so the propeller nuts must face the motor.
thingiverse
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3.17mm Motor Shaft Coupler - RS555 Motor
... nut and bolt to hold both propeller and shaft to the coupler.
design is not symmetric so the propeller nuts must face the motor.
thingiverse
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Gearbox to stepper motor shaft adapter by mrong
... stepper motor shaft adapter by mrong
thingiverse
gearbox to stepper motor shaft adapter. stepper motor shaft is 6.5mm diameter.
thingiverse
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T- Shaft for JGY-370 motor
...y-370 motor
thingiverse
remixed a t- shaft for the jgy-370 motor for ammo mikes bullet feeder that fit my motor a little better.
thingiverse
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Yazzo Shafted Motor Horn by WilliamAAdams
... to be gentle when tightening.
the default sizes are an 11mm "arm" and a 5mm motor shaft and m3 hole for the set screw.
thingiverse
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ADD-A-Shaft Use old motors by Prober
...ou recycle old printer’s motors; small shafts are mostly available.
add-a-shaft is a simple print to adapt the shaft for use.
thingiverse
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Rotor for a 1.5 mm shaft Motor by hannesfischer
...rotor for a 1.5 mm shaft motor by hannesfischer
thingiverse
just a little rotor for motors with a 1.5 mm shaft.
thingiverse
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110x motor shaft protector by Arakon
...ll.
the holes are meant to slip over screws so it can be seated properly. note that it may not fit if you use 4 screws per motor.
thingiverse
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Craftsman Motor Shaft Cover by tcosta
... no longer manufacturered.
no supports should be needed when printing. i used pla+, however abs and petg would work just as well.
thingiverse
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Microwave turntable motor shaft fitting by Printer_Chuck
...verse
this fits over the shaft of a microwave turntable motor. this was specially designed for a gm-16-12f17 synchronous motor.
thingiverse
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Hollow Shaft Stepper Motor by robotdogg
...s a longer coupling which can ensure the concentricity.http://www.robotdigg.com/product/645/http://www.robotdigg.com/product/646/
thingiverse
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Stepper motor shaft diameter reducer by olisva
...pper motor shaft diameter reducer by olisva
thingiverse
stepper motor shaft diameter reducer. diameter 7mm to 5mm and vice versa
thingiverse
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5mm motor shaft propeller soft mount by oski
...5mm motor shaft propeller soft mount by oski
thingiverse
1.5mm thick soft mount for motors with 5mm shafts
thingiverse
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Extruder motor shaft wheel by hha
...extruder motor shaft wheel by hha
thingiverse
a simple wheel to attach to nema17's shaft to see its rotation.
thingiverse
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Multirotor Motor Mount for 1/2" Shaft by MajikSpoon
...multirotor motor mount for 1/2" shaft by majikspoon
thingiverse
multirotor motor mount for 1/2" shaft
thingiverse
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Stepper Motor : D shaft to round shaft converter by hendr1x
...m cutout. this was used on a creality 42-34 but it probably works on other steppers. included freecad file if you want to edit.
thingiverse
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Motor coupler 3mm shaft set screw by Orlando_Luscombe
...lando_luscombe
thingiverse
this is a motor coupler for small dc motors with a 3-2mm shaft. it has holes each side for m3 screws.
thingiverse
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water pump for 12v motor w/2mm shaft by sarginson84
...water pump for 12v motor w/2mm shaft by sarginson84
thingiverse
12v motor w/2mm shaft.
thingiverse
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Omega Radio remote conversion "gear motor shaft" by JAPienaar
...gear motor shaft" by japienaar
thingiverse
vol pol shaft for gear motor and gear motor platform to mount the motor bracket.
thingiverse
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adapter 775 motor for flexible shaft of the drill by Oborotez
... for flexible shaft of the drill by oborotez
thingiverse
adapter motor 775 for flexible shaft of the drill.
screws used m3x10 mm
thingiverse
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Modulus - Motor Shaft Gear
...esign.com/my-robots/modulus/service-&-security/arm-expansion.htmlhttp://www.jehudahdesign.com/my-robots/modulus/moddy/2b.html
thingiverse
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Motor shaft support (X) by michaeldaushh
...s well with a little bit pressure on the outer bearing ring.
-> installation without tension on the belt.
i printed it in pla.
thingiverse
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Stepper motor adapter for 14mm shaft by MIR05LAV
... release for stepper motor 14mm diameter shaft. 70mm bolt pattern for steering wheels.
used small (28,6mm) bike seat clamp for it
thingiverse
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Spinner for a 2mm shaft (on motor)
...eations!
my website: https://jidiparts.wordpress.com
my youtube channel: https://www.youtube.com/channel/ucyqloye4o-wp-cptb5iszeq
thingiverse
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Rover Motor Shaft to Wheel Connector by Virtuabotix
...tion was simple a 3d printed shaft that matched the inside of my hobby tire, and had a hole down the center for the motor itself.
thingiverse
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Stepper motor D-shaft filing jig by neo777
...need to disassemble the stepper and wrap the rotor to protect from metal filings
file to the point where you start filing the jig
thingiverse
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Vex Wheel Adapter for 6mm Motor Shaft by Horsengineer
...gineer
thingiverse
a vex mecanum wheel designed for a 6mm diameter motor shaft.
for best fit use with m3 screws and m3 hex nuts.
thingiverse
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Microduino DC Motor Shaft to Lego Adapter by Microduino
...hingiverse
adapters from dc motors shafts to lego technic axle.
https://www.youtube.com/watch?v=syblvjsgxdm&feature=youtu.be
thingiverse
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Rig for milling stepper motor shaft by piranha32
... milling machine table for milling the shaft. i built it to mill a flat. the rig holds the rotor form and protects from scratchin
thingiverse
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Customizable coupling with a keyed shaft for fitting an M8 motor shaft into trolley wheel by hyperair
...e of the load across the entire shaft rather than being fully reliant on the setscrew and the joint between the wheel and collar.
thingiverse
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Stepper Motor 5mm shaft to 8mm Threaded Rod Coupler
...r coupler
5mm stepper motor shaft to 8mm trapezoidal lead screw self centering rigid coupler.
ideal for mpcnc or z-motor coupling
thingiverse
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FRC Andymark / Banebots Motor Hub and Shaft Adapter by portalengineer
...dymark or banebots motors. the hub fits into most andymark wheels and the shaft adapter fits into a standard 0.5" keyed hub.
thingiverse
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Double D shaft motor mount by dlacko
...detailed information please read the related blog post at http://dlacko.org/blog/2015/12/06/robot-car-chassis-with-lego-platform/
thingiverse
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Stepper Motor NEMA17 Shaft Coupler 5.0mm Diameter
...with the position of 120 degree with each other hole.
there are 3 of side screw holes with m3 size to tighten the part and shaft.
thingiverse
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Denso Window Motor coupler to .5 inch keyed shaft by ThunderPorpoise
...er to .5 inch keyed shaft by thunderporpoise
thingiverse
couples a denso window motor to a .5 inch keyed shaft with no nonsense.
thingiverse
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Reduction from the MIG500 motor shaft to LEGO axle by lukasdulik
...m the 500 dc motor by mig shaft to the lego axle. if not fits, try to edit it in openscad. we build it for motorized lego robots.
thingiverse
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Wedges for rounding motor shafts with Z couplers by jothan
...d the wobble from awful to almost perfect.
the provided stl is for a motor shaft of 5mm diameter with a flat diameter of 4.5mm.
thingiverse
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NXT Wheel with Motor Shaft by GPPK
...dited the great model by falflores so that i could connect the nxt omni direction wheels to standard motors within my own designs
thingiverse
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Parametric Motor Shaft Bench Vise Holder by lImbus
...; i created the part that helps you to grip the motor shaft properly in place so that you do not apply force to the motor inners.
thingiverse
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Herringbone spur gear for 5mm motor central shaft
...iff herringbone spur gear reinforcement https://www.thingiverse.com/thing:2288317 but adjusted for motor with 5mm central shaft.
thingiverse
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Multirotor Motor Mount for 1/2" Shaft with Landing Leg by MajikSpoon
...mount for 1/2" shaft with landing leg by majikspoon
thingiverse
multirotor motor mount for 1/2" shaft with landing leg
thingiverse
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Adapter from a 10mm motor shaft to 60mm plane
...adapter from a 10mm motor shaft to 60mm plane
thingiverse
can be used to connect a motor to metal profiles or other surfaces.
thingiverse
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Ekobots - Motor shaft coupler by jsirgado
...gs like this.
buy my designs at pinshape:http://pinshape.com/users/27920-jsirgado
the openscad file is there, you can change all.
thingiverse
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50mm Stepper Motor Hand Wheel For 8mm D-Shaft by hkay_
...or 8mm d-shaft by hkay_
thingiverse
this is a 50mm hand wheel for stepper motors with an 8mm d-shaft. depth of the hole is 12mm.
thingiverse
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1/4" to 5/16" motor shaft adapter by Lumex120
...umex120
thingiverse
this adapter will allow you to use a fan blade or blower with a 5/16 hole on a motor with a 1/4" shaft.
thingiverse
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MM3450 Shaft Support for MM3450 Motor Mount by marshal1960
...00kv brushless boat motor mount. custon fit your own bushing if you like. or 3d print your own bushing to fit your shaft diameter
thingiverse
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Windmill extruder motor rotation indicator with longer shaft
...th the only difference of adding extra 2mm to the shaft, because on my mk3s the print was touching the case of the motor housing.
thingiverse
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2mm Motor Shaft Stirring Attachment by Sv443
...ble coffee or tea.
okay, i'll be honest, this isn't really that useful but i made it as a small fun present for somebody.
thingiverse
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Shaft Coupler for stepper motor 8mm x 5mm and 8mm x 6.35mm
.... one is 8mm to 5mm and the other one is 8mm to 6.35mm shaft diameters.use 2 x m3 capscrew and nut for each to clamp it to shafts
thingiverse
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5mm x 3mm keyed pulley for electric motor shaft by barontechnologies
... use with a stepper motor i am using for a raspberry pi kit. it will fit any electric motor with a 5mm x 3mm keyed output shaft.
thingiverse
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HPI Blitz ESE Clutch Cover for Long Motor Shaft by BikeJunky
...the traxxas velineon where the motor shaft is longer than standard length. mount holes are tapered for drilling to correct size.
thingiverse
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Stepper motor - step indicator, cursor, tester - 5mm shaft
...epper motor - step indicator, cursor, tester - 5mm shaft
thingiverse
stepper motor move indicator - better than adhesive tape ;)
thingiverse
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12mm Hex Hub for 6mm Shaft motor by mettauk
...2904
if you like or use this please send me a little support, just a pound or two (or dollars etc) at paypal.me/mettauk thank you
thingiverse
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Kitchenaid Dishwasher Motor shaft bearing top W11032770
...f the shaft - which caused the shaft to jam 50% of the time.
i recommend printing with full fill (i used 80% and it worked well!)
thingiverse
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12mm hex hub adaptor for DFRobot motor with metal shaft by stuartm
...han the plastic shaft in the originals so the wheels didn't fit. so i made these adapters which fit a standard 12mm hex hub.
thingiverse
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Stepper Motor & Shaft Coupling Adapter by spocky
... for your stepper motor coupling + threaded rod: 5 mm / 8 mm (both dimensions respectively tolerated for 0.4 mm printer nozzles).
thingiverse
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Centrifugal water pump for 2mm shaft motors by Caldar
...e pictures. it works really well!
the motor is from a hair dryer that was broken being powered by an old 12v laptop battery pack.
thingiverse
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Stepper motor gear for Reprap Mendel with flat on motor shaft by ShayWalters
... showing a couple of wafers along with the damaged wooden gear, and another photo showing the assembled stack on the motor shaft.
thingiverse
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60mm D-Shaft Wheel - Fits polulu motors. by seanhodgins
... prototypes to fit the d-shaft polulu motors before i bought the wheels. they work great!
add rubber bands to make them grippy.
thingiverse
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CTC Prusa i3 Y Shaft motor fixing plate by Daaiisuukii
...ctc prusa i3 y shaft motor fixing plate by daaiisuukii
thingiverse
for the y axis motor. if its broken or just ugly
thingiverse
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4 mm to 5 mm motor shaft / axle adapter
...o i searched for an adapter to connect a 4mm shaft to a 5mm axle. i could not find anything so i finaly decided to design my own.
thingiverse
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Speed encoder wheel for 5 mm shaft (stepper motor) by BlinkMaker
...lly to add optical speed encoder functionality when used with a double shaft nema 17 stepper motor. it was tested and works fine.
thingiverse
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M3 Motor Shaft Adapter for Lego 94.8 x 44R Wheels by RobertCL
... picture to attach the wheel. the small indentation on the exterior shaft indicates the position of the flat on the motor shaft.
thingiverse
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Centrifugal water pump for 2.5mm shaft motors by Rikjahardhu
...ors by rikjahardhu
thingiverse
redesign of the water pump in autodesk inventor. ipt files are included for faster modifications.
thingiverse
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Nema motor shaft coupler / fitting by xXxOlivierxXx
...ed that the v1 of the files did not fit my motor shaft, so i increased the size of the tube a bit and v2 actually fit quite well.
thingiverse
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Grippy Knob for 5mm Diameter stepper motor shaft by OrdSolutions
...2 different materials so that you can have the hub be hard and the finger gripping outer gear be soft.
http://ordsolutions.com/
thingiverse
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4 MM TO 5MM Motor Shaft Bushing by kb3gzo
...nstead of redesigning and printing new pulleys for the wade's extruder and printrbot i am building, i came up with this idea.
thingiverse
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Mavic Pro motor shaft guard by jgbennet1
...snap into the propeller mounting slots on the motors, and there is no cw or ccw difference with the covers.
note: added step file
thingiverse
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V-Belt Pulley for Motor - 1 inch diameter, 0.5 inch shaft by circa1023
...
this is a 1" pulley for a motor with a notched 1/2" diameter drive shaft. the set screw is a 1/16" untapped hole.
thingiverse
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Stepper Motor Shaft Coupler NEMA23 6.5mm Bore by BryanRamsay
...sure a properly sized hole, they are printed undersized and need to be drilled out. i use this metric drill bit set from amazon.
thingiverse
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120mm display table 6mm motor shaft by nicscin
...le and i needed it to work with a larger motor. i'll also be making one that isnt as tall and uses right angle gears to turn.
thingiverse
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Motor Coupling for short shaft with flat by IonEwe
...shaft sizes i used: 3/8's, 6mm, 1/2" and 1/4"
request another size in a comment and i can have it up in a few days.
thingiverse
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Thumb Crank for NEMA17 Motor Shaft by 4ndy
...t.
edit:
now includes an igs file, for extra compatibility. i encourage everyone to use transferrable formats like iges and step.
thingiverse
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HyperCube Evolution XY motor shaft helper by rafaljot
... the shaft may break.
bearing: 695.zz / 695.2z / 695.2zr 5x13x4
pls join fb group: https://www.facebook.com/groups/hypercube.evo
thingiverse
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Parametric Stepper Motor Crank for 1/4" or 6.25mm shaft by mredmon
...shers threaded into the handle. you might need to tap the handle but i was able to directly thread the m3 screw into the handle.
thingiverse
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Z Rod Coupler: 4.5mm flat motor shaft to 5mm threaded rod by swapsCAPS
...th a 4.5mm flat sided shaft to a 5mm threaded rod.
use m3 10mm hex bolts together with m3 lock nuts to screw the pieces together.
thingiverse
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Kardan, Flex Joint, Coupler 8mm threaded rod, 5mm motor shaft by ToM_Korn
...rse
i have 2 8mm threaded rods on my mendel max.
so i adjusted the original design to fit my needs.
the motor side shaft are 5mm
thingiverse
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DC 12V 35RPM Turbo Worm Geared Motor High Torque Turbine Worm Gear Box Reduction Motor 6mm Shaft JSX255-370 by willy1067
...ly1067
thingiverse
dc 12v 10rpm-100rpm turbo worm geared motor high torque turbine worm gear box reduction motor 6mm shaft model
thingiverse
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Hario Mini Mill Slim to 12V motor shaft coupler by wileur
...n shaft coupler that fits electric coffee hario mini mill slim grinder. use this in case you don't want to buy and drill one.
thingiverse
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Wheel for Geared Motor 3-12VDC 2 Flats Shaft by tinkersprojects
...wheel for geared motor 3-12vdc 2 flats shaft by tinkersprojects
thingiverse
i could not find a wheel for a robot so i made one.
thingiverse
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Small Gear Motor Mount (Dagu, other similar motors with 90 degree shaft) by clonardo
...solid.
careful not to overtighten the screws at the top or you may crack the mount.
print at 25% fill or higher, with support
thingiverse
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1/10 RC wheel hub adapter hex 12mm to geared motor 4mm shaft by Tse_Tso
...r.
here's the link: https://www.thingiverse.com/thing:1318414
edit 20.03.2020 : added 10mm, 14mm and 20mm shaft length parts.
thingiverse
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Bead chain gear for stepper motors with 5mm shaft, e.g. for Polargraph plotter by rincey12
...printer the 5mm hole was a bit too tight, a bit of work with a 5mm drill fixed this. the m3 makes its own thread when screwed in.
thingiverse
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17mm Hex Hub for 6mm shaft motor. by mettauk
...fit.
if you like or use this please send me a little support, just a pound or two (or dollars etc) at paypal.me/mettauk thank you
thingiverse
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CTC DIY y shaft motor fixing plate by MiticoDan
...t motor fixing plate by miticodan
thingiverse
hi! i've made this piece for kit ctc diy prusa i3 pro b clone.
happy printing!
thingiverse
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Creality Ender 3/Ender 2/CR-10 Extruder Motor Shaft Protective Cover by ilya_tsaryuk
...der motor shaft protective cover.
protect your motor from filament crap, keep it clean and happy! happy extruder - happy prints!
thingiverse
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8040 prop for 2041 motor, 3mm shaft + hex nylock nut by mieczotronix
...on lock nut.
despite being printed with standard supports it is well ballanced, doesn't vibrate and produces a decent thrust.
thingiverse
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NEMA17 motor to Acme lead screw shaft coupling by mrice
...ere are two versions of the stl, the original (3/8" lead screw) version shown in the photo, and a 1/4" version as well.
thingiverse
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1.5mm motor shaft to 5mm propeller adapter by earlynerd
...ield tested these props yet but livingroom hover/punch test looked promising :)
edit: .sldprt uploaded too if you need to modify.
thingiverse
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Magnetic stirrer tool for 4⌀ motor shaft by Xylitol
...https://www.youtube.com/watch?v=jbhp6q80qkw
i case of video block du to music copyright: http://www.dailymotion.com/video/x39mulo
thingiverse
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Athearn F7/9 Remotor Mount Yellow double shaft 130 motor by jeephistorian
...p alive, and a soundtraxx pnp decoder.
i advise printing the brackets on their sides to give the screw holes more tear strength.
thingiverse
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Mounting Hub for 3mm D-shaft motor and 16 tooth LEGO gear (Short Version) by kbuckley
... by the motor after a few hours of driving.
i've also attached the inventor file if you need to change make the hub longer.
thingiverse
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Motor Cap - 6mm Shaft by Zelkins
... plan on printing out some with a smaller thread size to hopefully get a tighter fit, and if they work i'll upload them here.
thingiverse
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Brushless Outrunner Motor Mount 9mm Shaft by meistertek
...ease see this link to access the native onshape files
see below for print settings and post printing assembly hardware and steps.
thingiverse
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Magnet Beam Pulse Motor for Quarter Inch or 8mm Shaft by Cotton80
...his is optional.
the circuit and wire is up to you.
10:24 pm est 02/02/2017: reworked the motor brace to make it easier to print
thingiverse
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Air Compressor Fan (replacement for common 14mm shaft compressor motors) by The_Wizard
...leness. it works great, and im fairly certain it will hold up well as long as something doesnt get sucked in and impact the fan.
thingiverse
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Worm Gear Box 1:30 reduction for a 90v Leeson motor with a 9mm shaft by gammagec
...ome #8 machine screws. i used abs for the gears and pla for the rest. (pla gears will actually melt with a 90v motor, trust me)
thingiverse
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Motor shaft adapter 3mm to 5mm by txxt
...ad a problem with these printed of pla.
the material doesn't really matter, but be aware of shrinkage for materials like abs.
thingiverse
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Synchromesh Cable drive pulley, forced motor shaft fit by Shimy182
...updated version. please try this one first.
print with no support, 0.1mm stepping and slighly overextrude for better fusing :)
thingiverse
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Hex Motor shaft coupling Connector Adaptor to Car wheel 6mm by max414
...aptor i build relying on a sketch from aliexpress. holes are not made bigger for printing, so it won't fit in the most cases.
thingiverse
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Motor shaft 5mm to 8mm Threaded Rod Coupling (13mm hex nut) by poison_doc
... has no chance to move out of the part.
the parts diameter is smaller in the center on purpose, to provide a little flexibility.
thingiverse
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Modified Vertical Axis Wind Turbine (1/4" Motor Shaft) by Caboose
...w wider!)
shaft widened a bit to counter abs shrinkage
infill recommendation changed to 50%
v1: initial release, unprinted
thingiverse
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delta (kossel mini) vertex for 2020 extrusion with motor shaft support and tensioner by hackele
... customizations if one needs to customize.
i'm using these vertices for about a year, but only now found some time to upload…
thingiverse
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Prusa Full Bear 2.1-alpha Y motor mount with shaft support bearing
...maging the bearing or printed part. it can be a pretty tight fit though and success will depend a lot on your extrusion accuracy.
thingiverse
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1/2in hex shaft (with vex pro motor coupler/collar) Cones (for FRC climber) by tdogb
...frc climber) by tdogb
thingiverse
made with fusion 360
accounts for screws, has a tight fit with the collar.
step files included
thingiverse
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Dummy NEMA 17 motor (shaft mount) by RGN01
...ution-noncommercial-sharealike 4.0 international license. see http://creativecommons.org/licenses/by-nc-sa/4.0/ for more details.
thingiverse
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Taz 1-6 Y motor upper bearing shaft protector anti break thingy of doom (w/ optional reinforced motor mount) by piercet
...o attach the motor mount and limit switch. stick the bearing in the top of the cap, bolt everything down, and you're all set.
thingiverse
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Anet A6 Z axis motor bracket with 30mm space for Plum Shaft Coupling by kelemenlajos
...ought: 25mm ) there is 24mm space for the stock. i also added 5mm to my coupling so with my remix the space is 30mm in diameter.
thingiverse
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Taz 6 Y motor upper bearing shaft protector anti break thingy of doom spacer by russell_i_brown
...im pierce's 'tophat' without a motor damper on a taz6 you'll need this 6mm spacer and 4 m3x20 socket head screws.
thingiverse
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Nema 23 spacer by gazbot
...shaft stepper motors. my 3040 cnc came with stepper motor with a shaft length of 14mm. could only find...
thingiverse
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DC Motor Toy Fan by MrSonicKeith
...toy fan replacement for any dc motor with 2mm shaft just print and attach to any dc motor with...
thingiverse
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28bjy-48 universal shaft plate by lucapgt
...additional m3 screws can be added to fix the motor ...
thingiverse
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Micro Gear Motor Eccentric Shaft Adapter by TacPar
...e=utf8&camp=1789&creative=9325&creativeasin=b00eiaz4uy&linkcode=as2&tag=tac047-20&linkid=durfwfvg2w6buf2n
thingiverse
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leg motor Update - warning! see comments by YYdavidov
...yydavidov thingiverse please place comments. march-02-2017 added rsdoc for shaft adapter , and updated stl for shaft adapter. march-01-2017...
thingiverse
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Shaft Coupler for Filament Extruder by 1990ankitjain
...shaft coupler for filament extruder by 1990ankitjain thingiverse motor and auger bit shaft coupler for filament extruder 14mm...