3d_export

$15

bearing press fit and protective tube flanging equipment

...he set pressure press fit, press fit force detection accuracy is 1 / 1000 (note: the accuracy is not less than 10% when ≤ 3000n).

3d_export

$32

speed reducer gear box worm helical wpx

...ar-drives can be made to have no backlash by using split gears and spring tension but the shaft bearings have to be very precise.

3d_export

$200

german motorcycle r 75 schwarz grau ww2

...so included renders in v-ray 3.6<br>please rate this product if you are satisfied.<br>also check out my other models.

thingiverse

free

1 clearance gear bearing by Tyrdle

...1 clearance gear bearing by tyrdle thingiverse dfgdfd

thingiverse

free

1/4 inch bearing thick gear by Sixdollaftlong

...1/4 inch bearing thick gear by sixdollaftlong thingiverse 1/4 inch bearing gear still part of larger project...

thingiverse

free

planetary gear 5:1 with ball bearing by Beware

...ll bearings, it's running but not perfect. if you want use it please remember that it's better to do some modifikation.

thingiverse

free

Gear Style Spinner - 1 Bearing Spinner (easy!!) by BlakSKYbEN

...posting another .stl file that has holes so the bearing doesn't come out as easily, although, it isn't too bad right now.

thingiverse

free

EXTRUDER Planetary NEMA 17 Mk7 by Gudrimelis

...rangement. screw placement strengthens the gear axles. 1 x bolt m5 1 x pulley mk7 1 x 623zz bearing 2 x 605zz bearing 1 x bolt m3

thingiverse

free

Star gear 6 inch by Sixdollaftlong

...h by sixdollaftlong thingiverse star gear, attempting to print gear with 16mm hole in center so a 1/4 bearing will fit right in.

thingiverse

free

Spool holder for hex shaft fits most spools and uses gear bearing. by rice9300

...ools and uses gear bearing. by rice9300 thingiverse spool holder for 1/4" hex shaft fits most spools and uses gear bearing.

sketchfab

$5

Steam Punk Gear #1

... /polycount - 14k [description] old, run down gear with bearings. - steam punk gear #1 - buy royalty free 3d model by defaultbox

thingiverse

free

Bowden geared extruder by WildVal

...the body is reconsigned for the use of 105zz bearngs. ...

thingiverse

free

dApA smartrap base plate with mini extruder fof 3mm filament by enricodare

...me slt included) 1 m5 25mm 1 drive gear (3mm) mk7 2 bearings 605 1 bearing 624 1 m4 14mm some m3 for neam 17 stepper

thingiverse

free

Rusa bowden extruder gear by urusa

...tes the m5 bolts. the shaft is fixed to the motor rotation. secure the mk7 extrusion gear to the m5 bolts. the gear ratio is 1/3.

thingiverse

free

Gear Fidget Toy by kgnglsn

...r fidget toy by kgnglsn thingiverse print 3 outer gears, 1 inner gear, 2 covers, and 2 caps. you will need 4 22mm ball bearings.

thingiverse

free

Gear Bearing

...gear. bearing4_15thickness.stl : consist of 3 planetary gear & 1 sun gear. visit our facebook for more updates!virtual design

thingiverse

free

Geared hub for OpenRC tractor motor mod by beast_c_a_t

...be installed without removing anything else. assembly is simple. bearngs are pressed into the ring (2 each) and planet...

thingiverse

free

Geared Bowden Extruder by techlabua

...of the cord clamping. bom: 1 bearing 608zz 2 bearngs 625rs 1 nut m5 1 nut m6 3 nut...

thingiverse

free

Gear Spinner - Fidget Hand Spinner by SwotPerderder

...d) 1 - inner gear (3d printed) 5 - standard bearings 2 - washers (diameter matching the inner ring of the bearings) 1 - 1in screw

thingiverse

free

~600:1 planetary gearbox

...tary gears facing the center. 4) take sun gear_2 and push it in from the bottom. 5) put on the backplate and install the bearing.

thingiverse

free

Magnetic geared fidget spinner by kel

...fidget spinner. 3 spinning axis design, all 3 ball bearng will spin at the same time by means of...

thingiverse

free

A bowden geared wades/gregs extruder for Kossel/Delta for 1.75mm filament by Tick007

...redesigned for 2.85mm filament. you need: 2 x 606zz bearng 1 x 608zz bearing 1 x d5mm 60mm lenth...

thingiverse

free

Servomount with reduction gear by lab

...unt for mg90s with 1:2 gear to extend the movement to 180°. made for 2mm brass axis and a 2mm ball bearing (5 mm outer diameter).

thingiverse

free

608 Bearing Wrapper + Face by ril3y

...p://www.flickr.com/photos/31697990@n00/sets/72157622572234151/ blog page: http://blog.synthetos.com/608-bearing-wrapper-and-gear/

thingiverse

free

Gears of War Cog Fidget Spinner - Wingnut2k by wingnut2k

... warm water and the bearings will slip in. i haven't tried printing this yet, but the balls should be very tight to snap in.

thingiverse

free

Filament Holder Gear by StefanoV

...ls and 1 screw of about 8cm for the center. i used 2 bearing from my fidget spinner and 1 alluminum tube from my backscratcher :d

thingiverse

free

dApA mini extruder for Prusa Mendel printer Ref. ifala and Bowyer by enricodare

... gear (3mm) 2 bearings 605 1 bearing 624 1 m4 14mm some m3 for neam 17 stepper http://www.studiodapa.it/stampa-3d.html

thingiverse

free

Nema 17 planetary gear 3:1 by bartoaster

... imperfections in printing can cause more friction. a modified housing for coupling with a nema 17 motor will be added soon (tm).

thingiverse

free

Geared Bowden Extruder for MK7 by Mamath

...you need : 1 mk7 extrudeur : https://fr.aliexpress.com/item/stainless-steel-3d-printer-filament-extruder-pulley-gear-mk7-teeth-drive-gear-with-m4-hexagonal-screw/32763530868.html?isorigtitle=true 2 bearng mr105zz : https://eu.banggood.com/wholesale-warehouse-10pcs-5-x-10-x-4mm-metal-sealed-shielded-deep-groove-ball-bearing-mr105zz-wp-eu-62635.html?rmmds=myorder 1 bearing...

thingiverse

free

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

free

Extruder_Buldozer by kerbetos

...buldozer by kerbetos thingiverse m3*10 - 1 pc bearing - 623 no support abs filament mk8 gear pneumatic push pipe fittings pc4-01

thingiverse

free

Bad Idea for a Winch (for 1" Webbing)

.../grabcad.com/library/robust-involute-spur-gear-generator-solidworks-1 bearings are 608z skateboard bearings (cheaper by the 100).

thingiverse

free

planetary gearbox smasher thing

...em and install them onto the shafts of the 2 gearboxes. 10) put the other 2 drive gears in place and install the drive gear case.

thingiverse

free

Herringbone Gear Fidget Spinner by ethereal_sky

...y ethereal_sky thingiverse no bearings needed! hardware needed: m4x16 socket head screws and m4 nuts. 1 sided or 3 sided spinner

thingiverse

free

Spool holder with cones and gears bearing by manticus

...pool is too big you can print 4 foots to add 10mm. (a foot is only a cylinder diam 4.5mm by 15mm on a cylinder diam 20mm by 10mm)

thingiverse

free

Simple bowden extruder for geared Nema 17 by Stargrove1

...1 x m4 x 12mm screw 1 x ball bearng 11mm x 4mm x 4mm 1 x bowden tube...

thingiverse

free

Mini Extruder with 3 Gears by sakunamary

...#39;t has 683zz bearings , only has some 63zz, so i make a middle gear for 63zz. 2014/1/22 update: add base for jhead and pc04-01

thingiverse

free

Yarn Winder (gear driven) by Seminex222

...t yarnguide: i tapped a m4 thread into it and bent a small keychain-ring to make the guide if something is unclear - improvise :d

thingiverse

free

Differential Gear Box by noteasy2

...as input. 4 sun gears(16 teeth) are rotating in the center as output. the design of casing can be designed according to the use.

thingiverse

free

MK8 Gear Extruder for Kossel by Velric

...5 bearings 1x m5x45mm screw (hexhead) 1x m5 presure nut 10x m5 1x m3x20mm screw 1x m3 x50mm screw 2x m3 nuts 1x spring (optional)

thingiverse

free

Seig Lathe headstock shim by dremd

... so i makerbotted one up, works fine so far, i believe this will last just fine, could also use for front bearing to gear spacer.

thingiverse

free

Tank Track, Worm Gear Drive Cases by fastmike75

...gear cases in my things. also i have cnc machined aluminum motor rails for sale on ebay, that will make it easier to make a tank.

thingiverse

free

Remote EXTRUDEUR VEXTA SG10 by men009

...eur 1/10 from men009 design pk243a1-sg10 gear motor x1 copper gear 5x11x11h mm x1 bearing 604uu(4x13x4h mm)x1 m3 x3 rate=926.4621

thingiverse

free

Cycloidal Drive - printable by theodleif

...are 623. the big ball bearings are 6201. the two inner wheels must be glued together. the excenter shaft has to be made of steel.

thingiverse

free

Mini Fala Extruder 1.75 version by ifala

...ar (3mm) ( http://reprapworld.com/?products_details&products_id=248&cpath=1616) 4 m3 10 mm 4 m3 14 mm 2 m3 50mm 6 m3 nuts

thingiverse

free

Gear Fidget Spinner by Puglife

... print settings. parts to print: 1 gear spinner frame male 1 gear spinner frame female 4 fidget spinner gear 2 fidget spinner cap

thingiverse

free

Single Z-Motor mount for C-Bot, D-Bot w/Astrosyn damper

...centered leadscrews via a gt2 belt. the leadscrews are geared 2:1 by using a 20t gear on the motor...

thingiverse

free

Improved Z Axis for Cyclone PCB Factory by xxreef

...d stop the top blocked nut with a pair of thin pliers then rotate the gears to permit the blocked nut to go near the top bearing.

thingiverse

free

Double MiniFala Extruder prusa i3 by ifala

...ng:130200 info and photo instruction on:http://3dita.falaschi.com/2013/05/double-miniestruder-fala-i3-montaggio.html havefun!

thingiverse

free

3DMON's DD Extruder for the E3D Hotend by 3dmon

...625- 2rs or 625zz) 5x16x5 1- spring 3/8" x 1-1/4" (mine came from a home depot assortment box) 1- nema 17 stepper motor

thingiverse

free

Radus mini extruder nema17 with hobbed bolt by radus

...4 need 2x688 bearing 8x16x5 - for bolt 1x686 bearing 6x13x5 - for idler hobbed bolt 8 mm with 13.5 mm tooth offset motor nema17

thingiverse

free

DanO's BIg O Extruder by The_Great_Dano

...big o extruder by the_great_dano thingiverse this is a geared extruder i designed to be compact. the gear ratio...

thingiverse

free

JKForest_MK8_extruder by JKForest

...3 bolt * 1 8~10mm m3 bolt * 1 20mm m3 bolt * 2 flat washer(3mm) * 2 spring (around 20mm) * 1 688 bearing (8 16 5) * 1

thingiverse

free

Snow Tracks 1:8th scale All Terrain Traxx for rc cars by ALIMECH

...h speed use support only for frames each frame needs 1 driver gear 2 small driven gear 2 big driven gear 24 tracks 4 m4*4mm bolts

thingiverse

free

2:1 Demo GearBox Design for 3D Printing

... have been tested to print with no support. enjoy the print. i have only printed the right angle gears which work great. enjoy!

thingiverse

free

Motor reducer MK.1 VER.1.1 by MrPaulM

...rs 8x12x3.5 - 1 pcs. buy ball bearing mr105zz 5x10x4 - 1 pcs. buy electric engine 3650 with esc (brushless or brushed)- 1 pc. buy

thingiverse

free

flash drive fidget spinner with mechanical gear design by Eminns

...sary materials 2 pcs. sanddisk cruzer fit flash drive 1 pcs. 608zz bearings 12x2mm roller magnet more than 4 yards 625zz bearings

thingiverse

free

Bowden direct drive extruder for MK7 gear by DWONH

... 2 m3x10 bolts 1 m3x15 bolt 1 m3x25 bolt 1 m3 nut 2 m3 washers 8mm~ spring (id: 4mm~) m5 fitting print and enjoy!

thingiverse

free

Ekobots - Windmill 3 blades vertical. by jsirgado

... like this.__ buy my designs at pinshape:http://pinshape.com/users/27920-jsirgado the openscad file is there, you can change all.

thingiverse

free

Gear driven object plate for 3D scanner by deltapenguin

...2 m3x15 bolt x3 m3 nut x4 m3 nylon lock nut x1 tools: hand drill/driver 2.5 mm drill bit a set of metric allen keys 5.5 mm wrench

thingiverse

free

Gear bearing Bq Filament holder by alebrescia

..._on_planets = 7 ntwist = 1 tol = 0.35 number_of_planets = 5 approximate_number_of_teeth_on_sun = 9 w = 6.7 p = 45 t = 15 d = 52.8

thingiverse

free

Transfer case MK.1 by MrPaulM

...n7985 - 4 pcs. screw m2.5x16 din7985 - 8 pcs. ball bearing mr128rs 8x12x3.5 - 3 pcs. buy ball bearing mr105zz 5x10x4 - 3 pcs. buy

thingiverse

free

Hypocycloid gear box 42:1 by thong100

...6,7mm) m3x4 bolts for motor m4x4 bolts for mount 1 bolt m5 make shaft out put some washers more less 1mm dimensions: 42x42x24,5mm

thingiverse

free

EMC2 Bipedal Robot Joint - 53.6 Gear Ratio

... and the 48-ring-gear-holder to avoid excessive friction. https://youtu.be/4kfm5-gb3kihttps://www.youtube.com/watch?v=ka73o2ildlo

thingiverse

free

Geared Extruder 5.18 by Krog

...push-in fittings model : jpc4-01 1 pcs: 624zz ball bearng 3 pcs. m3x25 screw 1 pcs. m3x16 screw 1...

thingiverse

free

Planetary gearbox for bowden extruder by Trigubovich

...ded front bearing cover bearing size: 16x5x5 working test:https://youtu.be/vj3kstcmuichttps://www.youtube.com/watch?v=f9w7_ddmt64

thingiverse

free

Coaxial Swerve Module by jillls101

...l appeal to a robot, but currently lacks enough structural stability to function as a sole mounting point for the swerve modules.

thingiverse

free

spiral hoop gear remix

...arings and needs collars to maintain the drive gear position. it has a 26:1 ratio. the drive gear prints very smoothly facing up.

thingiverse

free

Ender 3 Pro - Filament Spindle

...ll gear trying to pull filament off the spindle but having to create so much tension to turn the reel that the gear was slipping.

thingiverse

free

Strain Wave Gear

... cannot be used for high torque applications. if anyone has any improvements, feel free to suggest them and/or create a remix! :)

thingiverse

free

Tank updated Gear Cases for Kyosho RF006 worm gear set by fastmike75

...the 6mm axles and bearings. use the old cases if you drill out your worm to 1/4" shaft and use 1/4"x5/8" bearings.

thingiverse

free

bowden extruder by urusa

...ear 624, 608, 604 bearing nema17 motor 3mm10mm x 2 3mm15mm x 1 624 415mm x 1 604 415mm x 1 tension nob 4*15mm x 1 4mm nut x 2

thingiverse

free

Ultra light extruder with worm gear 1:20 by tom4cad

...al. wight 252g print it out without support material. remove material before assembly, pointed as a red surfaces on the picture .

thingiverse

free

SIGMA - ozgur's 3D printed mini hobbing machine by ozgurtheking

... m3x25 bolt 2 pcs m3x40 bolt 2 pcs m3 nut 2 pcs m4 square nut 4 pcs m4x6 setscrew 4 pcs m4x16 screw 2 pcs m8 nut 1 pcs m8 washers

thingiverse

free

Fidget Finger Pegs for Gear Bearing by checkhard

...due to expansion of the base layers, it might make sense to print upside-down to ensure the hex peg fits correctly when complete.

thingiverse

free

Dual Z Belt tensioner (6mm or 10mm) Belt

...inal mod) for each gear. and then used 3 bearings as the tensioner wheel . also added my fusion360 files if someone needs them :)

thingiverse

free

(Updated, Bearing-less) Steering Gear Conversion Kit by BigProjects

...ithout having to print another steering rod. depending on how it holds up i may rework the auto homing to remove the stress here)

thingiverse

free

NSTT Extruder by Paciente8159

...extruder. despite the name it is a pretty compact geared extruder when compared with other geared extruders. it has...

thingiverse

free

Fidget Hand Spinner by Mcl0vin

...ccommend printing this version unless your fit is loose, or you have a high resolution resin printer.https://youtu.be/krmv0a4knde

thingiverse

free

Ultimate gearbox variable gearing

...ratio-1}{_bearingdiameter}. so a large spoked 4:1 with a 7mm axle is named spokedlarge1-4_7. this is still a work in progress.

thingiverse

free

3:1 Planetary Geared Extruder

...pinion gear, carrier & output shaft to take larger bearngs as the pinion shaft is longer & too much...

thingiverse

free

Marble Turntable with Gear by amasraff

... also able to withstand heavy object, probably 10-20kg, tried with a large roughly 1.5m x 1.5m whiteboard, and it spins verywell

thingiverse

free

Geared timing belt and motor assembly (CNC) by suromark

...to not apply force on the center of the bearng but the outer ring...

thingiverse

free

Mini DH Geared Fidget Spinner, By Redcurse (tolerances fixed) by jsondag

...fixed) by jsondag thingiverse the original wouldn't fit my bearngs on the posts, and the posts were too close...

thingiverse

free

Cycloidal with Internal BLDC - small by gouldpa

...t)https://hackaday.io/camerons 8x5x2.5 bearings 3mm pins 6810 bearings tolerances to suit my printer and tolerances are important

thingiverse

free

U-type direct drive extruder by Sharque

... m3-nut - 3 m3 cap screw 40mm - 5 m3 cap screw 20mm - 2 m3 screw head noicheskoy - 1 4mm bearing - 1 direct drive gear mk7 or mk8

thingiverse

free

Window blind motor with enclosure by SolidElectronics

...place bearing insert into bearing, and press onto the other side of the blind on the flat blade 3) attach mounting plates to wall

thingiverse

free

Shower Knob with 3:1 Gear Ratio by redcurse

...te a tighter fit. if i feel it's necessary in the future i'll fix the offset and model a part to hold the gears in place.

thingiverse

free

Gearbox for FRC Denso Throttle Motor by dirtyvalentine

...a bearing surface for the 1/4" bolt. wish i had pictures, but the gearbox was disassembled and the parts were lost long ago.

thingiverse

free

Quadstruder K7 v2 - Dual Drive Extruder by walter

...e just uploaded on thrinter.com printed in esun translucent blue petg* and atomic filament transparent green petg *affiliate link

thingiverse

free

P.Harmonic Gear Reducer by LoboCNC

... other materials may give a longer life, but really, any 3d printed gears are not really suitable for high speed or extended use.

thingiverse

free

NEMA 17 Worm Gear Box 60:1 by Bencil88

...rod ~ 30cm m8 lock nuts with nylon insert 4 m3 bolts 6 skate bearings (608rs) * 4 tools: hack saw files allen keys 13mm spanner

thingiverse

free

C.W.C Printer Bowden Extruder, direct drive 1.75mm,MK8 Gear by chiungweichen

... nut (1) spring, similar to the dimensions below: ~8.5mm outside diameter ~25mm uncompressed length ~14mm fully compressed length

thingiverse

free

Geared Platform for Ciclop 3D Scanner by invent3d

...now using this geared platform with a proper metal bearng (i more or less gave up on printed bearings)....

thingiverse

free

Motor Adapter for Marble Machine #3 by AndyHegemann

...ttps://hobbyking.com/en_us/brushed-motor-15mm-6v-20000kv-w-100-1-ratio-gearbox-1.html https://www.youtube.com/watch?v=buch8zvraes

thingiverse

free

Flexible extruder for E3D_V6 by famtory

...b201560_2,searchweb1451318400_-1,searchweb1451318411_6448&btsid=fcf4819e-fdb2-447b-b366-d3ad2b747709 bearing : od 11mm id 5mm

thingiverse

free

gear rack with 4:1 transmission for v slot style cnc by Lockeyfe

...and presice. with minimal materials to buy bom: 2 608 bearings 1 m8 bolt, 3 nuts, and 4 washers a bunch of m3 bolts printed parts

thingiverse

free

Geared B'Struder 5:1 by ask0045

...pick one of tempo502's) and it's hardware a 16x5x5mm bearng a 10x4x5mm bearing 4 8-10mm m3 machine screws 4...

thingiverse

free

Line Follower Car with removable black line by 3Dadicto

...ld l9110s 2 gear motor for arduino 1 switch 4 bearings 4x8x3 2 bearings 3x6x2.5 2 o-ring 50x3.5 2 o-ring 16x2.5 screws m3 nuts m3

thingiverse

free

Tumbler by tomil1

...zebatka 1 (gear) 1 x kolo pas 2 or zebatka 2 (gear) 2 x rolka 12 cm 1 x pojemnik 1 x wieczko 4 x nakladka (printed from soft pla)

thingiverse

free

Compact Bowden Extruder Modified 1 by regzzz

...6mm pushfit pneumatic connectors. uses mk7 drive gear with 9mm od and 7mm hob dia and 608 bearing. regards and thanks to tech2c.

thingiverse

free

Hypocyclodic Gearbox by frank_4188

...) the pdf file is a 3d pdf which contains the whole 3d model and exploded animations. https://www.youtube.com/watch?v=shg0_ociepk

thingiverse

free

MK7 Extruder by wkkpatrick

... 5mm inner x 1 -bearing 604uu x 1 -m3 washer 8x0.8 x 2 -hex screw m3 20mm x 2 -hex screw m4 10mm x 1 -push fit connector (pc4-m6)

thingiverse

free

Fastmike Heng Long Worm Gear Drive by fastmike75

...e, dec 2017: added a new mount plate and bearing button for the leopard 2a6 tank base # 3889 to be uses with the long axle setup.

thingiverse

free

Cyborg Geared Bowden Extruder - With Herringbone Gears and Simplified Hardware by JMcAz7

...be hobbed easily. the m8 bolt holding the 608 bearng in place is a regular cap head screw that...

thingiverse

free

Ender 3 V2 - Filament Guide for Dual Gear Extruder by RedSoda

...umum) files: filament guide (e3v2_filament guide.stl) 2 spacers (e3v2_spacer.stl) wheel for bearing (e3v2_wheel_608zz.stl) enjoy!

thingiverse

free

The Gearbox Module

...e spinning in the region of 30,000 rpm and as such the gears are rotating very fast and require lubrication at regular intervals.

thingiverse

free

Tactic TTX300 steering angle increaser by MasteroFlego

...riginal coarse thread screw. using the 3x8mm screws, attach the cover. install original steering wheel with the last 3x5mm screw.

thingiverse

free

UM reduced extruder for 3.0mm filament by EazyBreezy

... bearing 3x10x4 2x - 625 bearings 5x16x5 5x - m3 nuts 5x - m3x30 screws 1x - m3x12 screw 1x - little spring to the clamp filament

thingiverse

free

3DChanh's Adjustable Tabletop Spool Holder by 3DChanh

...tion fitted, so you may have to lightly tap them into the wheels and spool holder bodies. animation:https://youtu.be/aryfvsbwxhq

thingiverse

free

Direct Extruder converter for ENDER 4 / CR10 by NGR923

...mm thickness; -1 bearing 22 mm of diameter; standard geared wheel or steel geared wheel; 2 push fit for...

thingiverse

free

uStepper linear actuator by nic6911

...5 threaded rod 2 x m5 washers (if needed between bearings and gear) a short video can be found here: https://youtu.be/lf4iwxsxzng

thingiverse

free

Quadstruder K7 - Dual Drive Extruder by walter

...l other dual drive bowden extruders i've just uploaded on thrinter.com printed in esun translucent blue petg* *affiliate link

thingiverse

free

harmonic planetary drive 13.5:1 by feileung

...se inside - outside option (print inside first) m350mm screw 3 m3 nut * 7 6807zz bearing (35x47x7) 1 mr105 bearing (5x10x4) 4

thingiverse

free

MECHANICAL ACTUATOR by 3DPRINTINGWORLD

...or i got mine on amazon for $14: https://www.amazon.com/gp/product/b01myr3rcr/ref=as_li_ss_tl?ie=utf8&psc=1&linkcode=sl1&tag=3dprintingwor-20&linkid=19eb089428e4973b9f6976692e572757&language=en_us orhttp://www.uxcell.com/24v-033a-37mm-dia-magnetic-gear-gearedbox-motor-1000-rpm-p-598918.html thread inserts m3x.5mm thread, 5.6mm od x 3.8mm lg....

thingiverse

free

Bowden Extruder Hypercube by szaman89

...d spring, 608 bearing, 1x m5x8mm 3x m3x14mm screw, 1x m3x25mm screw 1x m3x25mm full threaded screw for spring tension. ptfe tube.

thingiverse

free

1/43 frontwheeldrive slotcar chassis by pfuetze

... 10x10x20mm designed for 2mm axles with ball bearings. (2x5x2.3 sf682zz) fits gearing 8/24, 8/20, 10/24, 10/20, 12/24 and 12/20

thingiverse

free

2015 to 1 Harmonic gear reduction by BotLawson

...ofiles from http://hessmer.org/gears/involutespurgearbuilder.html this should help you make customized versions for your own use.

thingiverse

free

focus follow for 12mm pole camera rig by fridaysun

... x2 5\ m3x20mm cap screw with nut x2 6\ d6mm spring with 12mm(+/-2mm) long x1 focus gear is for lens with 72mm(+/-2mm) out ring.

thingiverse

free

Flywheel vehicle "remix of #3566283" by RobotHut

...they have a very fine pitch, a gear design with less teeth and deeper teeth would be better. so all parts print with no supports.