thingiverse

free

Toothed T5 Idler Pulley by plasmator

...toothed t5 idler pulley by plasmator thingiverse this idler fixes y-axis banding on sells mendels and variants.

thingiverse

free

Anet A8 toothed Idler conversion by j0ker31m

...slip right over the smooth idlers and fit snug to creat a toothed idler, which lessens belt vibrations when axis' are moving.

thingiverse

free

Anet A8 X Belt Tensioner with Toothed Idler by dhench

...er with toothed idler by dhench thingiverse i designed this for the anet a8 and others. it accepts up to a 20 tooth idler pully

thingiverse

free

Anet A8 X axis tensioner for toothed idler by oyvinla

...is a x-axis tensioner for the anet a8 which has a wide enough opening for the toothed 16t idler found on ebay, aliexpress etc...

thingiverse

free

16 tooth GT2 Idler Pulley for Kossel by JAW

...es 683zz bearings (3x7x3mm). each pulley has two bearing press fit into either side. these were designed for a kossel 3d printer.

thingiverse

free

Toothed Belt Idler Pulley by henryarnold

...ing this drawing bot for a 4h class. i also added an enclosed foot in case you want to put rubber feet on the bottom of the legs.

thingiverse

free

Anet A8 Toothed Idler Bracket by welliott

...de once printed for it to fit. m3*18 used to hold idler on. bracket attaches to where the original idler was with the same screw.

thingiverse

free

Anet A8 Y belt tensioner for toothed idler by musta

... requested by shiftah you can find all the other pieces and instructions on the excellent anet a8 y belt tensioner page by ch35c0

thingiverse

free

Anet A8 Improved X-belt Tensioner For Toothed Idler by jbrandonferg

...ere: https://www.amazon.com/gp/product/b01btter04/ref=oh_aui_detailpage_o02_s00?ie=utf8&psc=1 i used the 3mm 20 toothed ones.

thingiverse

free

Idler pulley with tooth for Anet a2 (a6,a8) by Masochisti

...th pulley. might work also in a6 and a8. post note: try expanding z-axis to 110% of default to provide a bit more clearance room.

thingiverse

free

Toothed idler fork A8 I3 for Randinos mounts

...ngiverse that fit the bill, so i whipped this up in ds mechanical real quick. credit goes to randino as i based it on his design.

thingiverse

free

T2 41 tooth 608 bearing idler pulley by Phil_Maddox

...oth version has a pretty thin wall between teeth and bearing so this version increases that to make it more "printable"

thingiverse

free

Anet A8 upgraded Y-axis tensioner arms for toothed idler by jbrandonferg

...ere: https://www.amazon.com/gp/product/b01btter04/ref=oh_aui_detailpage_o02_s00?ie=utf8&psc=1 i used the 3mm 20 toothed ones.

thingiverse

free

Anet A8 x belt tensioner for toothed idler by GonzoG

... tensioner for anet a8 and toother idler. it uses m3 screws with m3 5.5mm nuts. screws should have at least 20-25mm long thread.

thingiverse

free

X-Axis Tensioner Arm for toothed Idler Pulley by Loneguard

...m diameter, 8.5mm with, m3 axis). note: i only created the longer arm as it fits my setup and i have no need for the shorter arm.

thingiverse

free

FLSUN QQ-S E3D Gates Powergrip 2GT Toothed Idler Upgrade Guide by Dreamz

...;t tighten them too tightly. you will need to print 6x of these out and have 3x e3d gates powergrip 2gt 6mm toothed pulley/idler.

thingiverse

free

GT2 20 tooth idler 5mm bore for Fabrikator by Emanuel_Stassar

... enough to function. there was demand for a model so here it is. if it does not fit, just let me know i will change it if needed.

thingiverse

free

Anet A8 X-belt Toothed Idler Tensioner by butchja

...version ! hint: some modern anet a8 might not have 3d printed parts. check the remixes if your anet has injection molded parts !

thingiverse

free

Anet A8 Y-belt Toothed Idler Tensioner by butchja

...ter 9mm thickness m3 or m5 screw (30mm) m3 or m5 nut m3 screw (30mm) m3 nut you still need part 1 and 2 of yoshi's tensioner.

thingiverse

free

TronXY P802M / Anet A8 X-belt Toothed Idler Tensioner by HenryLoenwind

...tronxy p802m you also need a matching idler, e.g. mine: http://www.thingiverse.com/thing:2122224 (the black one in the pictures).

thingiverse

free

X Tensioner and Pully for 2GT toothed idler pulley, 6mm belt, 4mm bore by jnsanders1983

...ion. so i redrew the brace and puller in inventor. i lengthen the brace and redimensioned the puller to fit the new idler pulley.

thingiverse

free

X-axis tensioner for use with toothed idler. by MattKi

...al cylinder on either side such that the idler wheel is barely able to move from side to side but can rotate freely when mounted.

thingiverse

free

Hypercube XY Idler by chekcian

...idler by chekcian thingiverse this is a beefier xy toothd idler for...

thingiverse

free

DMY3DP (P802M clone) X-belt Toothed Idler Tensioner by crazytiti

... the original left motor holder use m3 nuts for tighteners be aware of the thinner guide, try not to break them when assembling !

thingiverse

free

Anet A8 y tensioner (fits 16 tooth gt2 idler gear) by jawolff

...the gt2 idler pulleys i'm using: https://www.amazon.com/gp/product/b01h3ey4x4/ref=oh_aui_detailpage_o04_s00?ie=utf8&psc=1

thingiverse

free

Anet A8 X-Axis Tensioner for Toothed Idler and 4mm Bolts by garylovesbeer

...t this, and it works, print another as it will probably eventually fail. just a warning! anyway i hope someone finds this useful.

thingiverse

free

Double flanged Anet A8 toothed Idler by powertomato

...e, but 0.4 might work too. the parts in the photos are printed with 0.2mm layer height, but 0.1, 0.15 should yield better results

thingiverse

free

13mm Idler Bearing Toothed Cover CR10 by watercooled3dprinter

...eep them the same length and the guide bearing near the stepper motor might need a longer bolt. used pla with a slow print speed.

thingiverse

free

P3steel - Y-axis idler by sigterm9

...sigterm9 thingiverse modified to use gt2 - 20 teeth toothd idler with 3mm bore...

thingiverse

free

Improvement X Idler for GT2 pulley-belt by nntuan

...from https://www.thingiverse.com/thing:1428253 but i wanna implement with pulley 20 tooth therefore i improvement small thing for that. hope helful...

thingiverse

free

GT2 2mm Idler Pully by Timelord83

...gt2 2mm idler pully by timelord83 thingiverse 40 tooth idler 608 pulley for gt2 2mm x 6mm wide...

thingiverse

free

Hypercube XY joiner - 20 Tooth 20T - 5mm shafts - LM8LUU Y axis - 10mm X axis

...out the holes to 5mm to fit gates idlers. idler: 20 tooth, 5mm hole x-axis: 10mm y-axis: lm8luu, compatible...

thingiverse

free

Anet A6/A8 upgraded Y belt tensioner for use with 20T toothed idler, embedded nuts

... "normal" version because i only needed one, but all the dimensions are either the same or unchanged from the original.

thingiverse

free

OCD Prusa MK2/S Y-Carriage Parallel Belt Mount. by CO-OCD

...now in a 1:1. now that the idler is toothd, it will also prevent any belt slippage. this makes...

thingiverse

free

Anet A8 X-Axis Mounts for Toothed Idler Pulley by salfter

...l-bit set; i found one through ebay for not too much.) the original, unaltered left-side mount is also included for completeness.

thingiverse

free

Tronxy X3S Y Axis Belt Tensioner by FourDogs

...tensioner by fourdogs thingiverse i wanted to use a toothd idler that was 10mm, so did a quick remix...

thingiverse

free

Anet A8 Toothed Idler Pulley for 8mm bearings by tednv

...air of 10mm bearings available, but if you have some old brushless motors or order a bunch of 8mm bearings this will work for you

thingiverse

free

Idler washer for Anet. by spinne

...washer for anet. by spinne thingiverse for idler 16 toothd pulley with 3mm bore. these are spacer for 3mm...

thingiverse

free

GT2 idler for 608 bearing M3 NEMA 17 stepper

...17 stepper motor and leave room for a 16 tooth pulley step files...

thingiverse

free

Quick release X-belt tensioner for Prusa i3 by O_Lampe

...live of the belt and the x-carrier bearings. the toothd idler fits on the 10x5 idler bearings and is...

thingiverse

free

3mm to 5mm bushing by bandook

...is a reducer to allow you to use the toothd idler pulley on an anet a8. the idler i...

thingiverse

free

OB 1.4 Y idler by quicktony

...thingiverse this piece allows you to use a 20 tooth gt2 drive gear for the ob1.4. i have also...

thingiverse

free

1/10 Associated Idler Gear ASC91466 by dys0n

...including the db10, rc10, and sc10. it's a 31 tooth 48 pitch gear, should be an exact replacement for...

thingiverse

free

Ender 3 Y Axis Idler reinforced 16T by janlet

...from jwalbridge. parts: one 3 mm bore (toothless or 16tooth gt2 idler...

thingiverse

free

bonsai modified parts for different pulleys/idlers

...pulleys/idlers thingiverse slightly redesigned so i could use 20 tooth pulleys(which i had laying around anyway) and some improvised...

thingiverse

free

Anet a8 Y Belt tightener by Ahmsville

...model is specifically designed to be used with a toothd ...

thingiverse

free

Open Builds Idler Pulley by geckomarcus

...thingiverse this is a simple idler pulley for a toothd belt meant to fit inside their actuator mount (http://openbuildspartstore.com/v-slot-actuator-end-mount/)...

thingiverse

free

Anet A8 - X Belt Tensioner - all m3, with support for long screws and toothed idler by mer2329

...e is still too much friction put 2 washers on, if still too much friction then put a drop of 3-in-1 tool oil between the washers.

thingiverse

free

XY IDLER for GT2 16T/20T Timing Pulleys | HYPERCUBE by PurchenZuPoden

...hypercube. with this idler i can use the 16 toothd pulleys that i ordered from banggood: !!!warning!!! be carefull...

thingiverse

free

Prusa Steel X axis with tensioner and 8mm leadscrew support by fedewolfie

...tensioner and a m5 screw and nut for the toothd idler, i use a cheap aliexpress toothed idler with...

thingiverse

free

OCD Prusa MK2/S X-Carriage Parallel Belt Mount. by CO-OCD

...now in a 1:1. now that the idler is toothd, it will also prevent any belt slippage. this makes...

thingiverse

free

Anet A8 X-Axis Belt Tensioner for toothed pulley by HanZ92

...added a little space, so my toothed pulleys could fit:https://www.aliexpress.com/item/2gt-pulley-h-type-wheel-driven-wheel-perlin-idlerwheel-gt2-timing-pulley-16-teeth-bore/32692086650.html ...

thingiverse

free

Anet A8 Y-Axis Belt Tension Improver by MrPollardsOpus

...as opposed to just on the crown of each tooth in some cases, this can eliminate fine chatter in...

thingiverse

free

GEEETECH G2/G2s Idler Pulley (plastic version) 624ZZ bearing by MJDOZ

...thingiverse spl files to produce 26, 27 and 28 tooth idler pulley's for geeetech g2 and g2s plastic version....

thingiverse

free

Anet A8 X-axis and Y-axis tensioners for 20T x 3mm toothed idlers by primativebowyer68

...your best bed adhesion measures, as warping will be more a concern for the larger parts than if using some smaller infill values.

thingiverse

free

Lathe gears 7X mini by erniepike

...years now out of pla iirc. also, the 127 tooth out of pla has lasted with no real sign...

thingiverse

free

Anet A8 Y Belt Tensioner by GrkMangas

...changes. i also created a version to allow for toothd idlers to fit in. i don't think this should...

thingiverse

free

Tevo Little Monster - Upgraded Idler Pulley by Redemptioner

...the wheels in the carriages. dropping to a 16 tooth pulley on the motor gives enough clearance not to...

thingiverse

free

T2 idler pulley 40 teeth - 608 bearing by Phil_Maddox

...you encounter problems printing this check out the 41 tooth ...

thingiverse

free

Y idler for Prusa i3 Steel in OpenSCAD by Professional3D

...prusa i3 steel (aka leonardo). it's designed for 20 tooth gt2 pulley on the y stepper motor with two...

thingiverse

free

Wilson 2. Heavy Duty Y Tensioner. by lowfat

...print for larger nozzles. i am using a 16 toothd idler for better torque. but larger idlers or bearings...

thingiverse

free

Tevo Tarantula Pro x axis tensioner

...parts neeed for tensioner with gates powergrip 2gt 20 tooth idler 1 - 5/16 "x 1.5" carriage bolt 1...

thingiverse

free

A set of meshing gears by Altoidian

...meshing gears by altoidian thingiverse these are a 9 tooth pinion with 1/4" flattened hub for an aluminum hub...

thingiverse

free

Z-Axis Wobble Isolation Bearing Blocks by LittleMrJ

...included in file bundle. arm accommodates 16 & 20 toothd aluminum idler pulleys. use with integrated z-axis wobble isolation...

thingiverse

free

Rostock Mini - 3mm Bowden - Traxxas 5347 - 18 tooth GT2 pulley - pasqal version by pasqal

...pulley and traxxas 5347 rod end with slim holder. idler end modified to 2 pcs f623rs 3x10x4mm flanged bearings...

thingiverse

free

GT2 Sleeve for 625zz Bearing by kinyptor

...belts isn't an option, and you don't like the toothd side running over a smooth idler, this is a...

thingiverse

free

MendelMax Y-Axis Idler + Tensioner (GT2, M3 bolt) by printaway

...your 2020 aluminium frame 1x 16-tooth gt2 pulley. a 20-tooth one should work too. printing tips: print everything on...

thingiverse

free

Stronger Gears for Marui Big Bear by apell

...diff and idler gears with larger gear module and tooth strengthening side supports (with gear pitch diameters). depending on...

thingiverse

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Anet A8 X axis belt tensioner by RedSector

...bolts and nuts 1 x gt2 toothed pulley, 3mm hole:http://www.ebay.co.uk/itm/3d-printer-gt2-idler-pulley-toothd-and-smooth-3mm-bore-for-6mm-wide-belt-/191972288792?var=&hash=item2cb270a918:m:md9fboxwy_8duyehbjmbk6a ...

thingiverse

free

Radus mini extruder nema17 with hobbed bolt by radus

...for idler hobbed bolt 8 mm with 13.5 mm tooth offset motor...

thingiverse

free

Hypercube 300 Single Z-Axis Motor Mount by salfter

...a couple of 3-mm-bore gt2 smooth idlers, a 3-mm-bore toothd idler, and a 1220mm closed-loop...

thingiverse

free

Geeetech I3 Pro B Belt Mount Y Carriage by Bebop182

...and yes i could just go and buy a toothd idler, but meh......

thingiverse

free

Tevo Tarantula Pro y axis tensioner

...parts neeed for tensioner with gates powergrip 2gt 20 tooth idler 1 - 5/16 "x 1.5" carriage bolt 1...

thingiverse

free

Anet A8 X Belt Tensioner (for simhopp idler and gear) by anotherhowie

...and also to have enough space for a real toothd idler pulley instead of the two flanged bearings supplied...

thingiverse

free

AM8 Reinforced! - Y Axis Tensioner REMIX

...in canada that wants super fast shipping and great quality:https://spool3d.ca/20-toothgt2-idler-for-hnbr-high-temperature-belt/ ...

thingiverse

free

Toothed 2GT X-Axis Assembly for Ratrig Pro

...need to change any parts aside from the smooth idler itself. you'll need to print a second part as...

thingiverse

free

Prusa MK3 Bear 20T 5ID Gates Y idler + tensioner

...and tracking mechanism which uses a gates 20t 5id toothd idler. for a version using the stock 20t 3id...

thingiverse

free

Y Idler with Tightening by pkap

...2x 685 bearing 1x gt2 pulley, mine had 20 tooth 2x washer m5 m5 axis (a part of a...

thingiverse

free

Internal NEMA17 Timing Belt reduction by gouldpa

...1x 72x55x9 6811 bearings gt2 belt ~500mm long 1x (standard)https://3dprintingperth.com/collections/stepper-motors/products/gt2-20-toothaluminum-sync-wheel-idler-pulley-%cf%865mm-for-6mm-belt 3xhttps://3dprintingperth.com/collections/stepper-motors/products/no-teeth-6mm-width-3mm-inner-18mm-outer-gt2-idler-pulley-wheel...

thingiverse

free

x idler tensioner for Anet A8 by pablenmo

...hold those gt2 aluminum timing drive pulley. type b: https://www.banggood.com/16t20t-gt2-aluminum-timing-drive-pulley-for-diy-3d-printer-withwithout-toothp-1099142.html?rmmds=myorder&cur_warehouse=cn ...

thingiverse

free

Rat Rig V-Core 3 2GT Modification by psyvision

...rat rig parts to allow for using gates 2gt smooth/toothd idlers. these are often 14mm in height in comparison...

thingiverse

free

Tevo Tarantula Y Belt Tensioner by Noumcreation

...20t w6 b5 (link with 10pcs but only need 2)https://fr.aliexpress.com/item/10pcs-gt2-idler-timing-pulley-16-20-toothwheel-bore-3-5mm-aluminium-gear-teeth-width/32795078174.html and 1 5x45/50 screw with...

thingiverse

free

X-axis belt tensioner Anet A8 for toothed idlerbearing 16T FREECAD BLUEPRINT ATTACHED

...he difference, that the holes are bigger for m3/4 and you can use a toothed idler bearing(16t), and it fits better on my printer.

thingiverse

free

Tevo Tarantula pulley spacers by Noumcreation

...20t w6 b5 (link with 10pcs but only need 4)https://fr.aliexpress.com/item/10pcs-gt2-idler-timing-pulley-16-20-toothwheel-bore-3-5mm-aluminium-gear-teeth-width/32795078174.html fusion 360 file attached, feel free to useit...

thingiverse

free

anet a8 y axis belt tensioner by RedSector

...a toothed 3mm gt2 idler pulley example source below: http://www.ebay.co.uk/itm/3d-printer-gt2-idler-pulley-toothd-and-smooth-3mm-bore-for-6mm-wide-belt-/191972288792?var=&hash=item2cb270a918:m:md9fboxwy_8duyehbjmbk6a ...

thingiverse

free

Formbot Trex2 Y motor mount and tensioner by notnyt

...material. i used pc-max. i'd recommend getting a 10mm toothd idler pulley for this, though you may be able...

thingiverse

free

Parametric Pulley for toothed belts in OpenSCAD by 0scar

...the option to insert an optional hexagon in the idler to fit e.g. a hobbed bolt. example of usage:...

thingiverse

free

Re-X Carriage Belt Tensioner for Twisted Belts by rkrammes

...put a twist in their belts so that the toothd side doesn't ride on the smooth idlers, this tensioner...

thingiverse

free

Anet A8 Plus X Axis Linear Rail by Toxicant

...toxicant thingiverse remixed this part to accept a 20 tooth idler pulley in the oem location and printed rod...

thingiverse

free

remixed fooyabt for X and Y belt of the CR-10 or other 2020 2040 rails by propmaker

...by propmaker thingiverse ok so i got in my toothd idlers today and decieded to upgrade my cr-10 with...

thingiverse

free

Geoff's Y-Axis Idler Pulley & Gear for Solidoodle2 - all 3D printed by geoff_cohen

...carbon fiber (or steel) to strengthen the (fully printed) toothd belt pulley. it's the absolute minimum size needed to...

thingiverse

free

Gear, Chain Drive, 5mm (Nema 17) hole, 9 tooth by flintols

...17 motors, but it was designed to be an idler pulley since we make them in plastic. it is...

thingiverse

free

Rigidbot 2 - 20 tooth pulley upgrade by swoolsten

...to the original rigidbot 2 frame is required. the idler pulley adapters just snap in to place, and the...

thingiverse

free

Anet A8 X-belt tensioner for GT2 pulley by truglodite

...discovers this is the case). also the 16t gt2 toothd idler i purchased online was 8.5mm wide overall. the...

thingiverse

free

Prusa Mendle X ends - low profile by Phil_Maddox

...chamfer additions to aid printing. added a t2 -40 tooth idler pulley to fit standard 608 bearing sept 18...

thingiverse

free

Yet Another X belt tensioner for the Anet A8 by lord_alan

...the idler slightly wider so i could use a toothd idler that has flanges on both sides. the openscad...

thingiverse

free

K8200 / 3DRAG X-Axis GT2 Belt Modification by donboy

...a ordinary bearing was removed and replaced by a toothd pulley. additional i decide to change the t5 belt...

thingiverse

free

Ender 3 belt driven z by smolboi

...and 1x28mm) 4x626zz bearings 6mm id 19mm od 1x80 tooth gt2 pulley 6mm id.(printed should work fine as well)...

thingiverse

free

TornadoCube - Tevo Tornado CoreXY Conversion by cransjadel

...can be bought from banggood. the closed belt, 36 tooth 8mm bore pulleys and 2020 t-slot can be bought...

thingiverse

free

Belt tensioner/idlers mount by kisolre

...installed this. should work though. i wanted to fit toothd idlers and also add belt tensioner but did not...

thingiverse

free

VzBot Ender 5 by tehmaze

...note that 2gt and gt2 are not the same tooth profile and it's not ideal to mix and match...

thingiverse

free

Servobelt Y-drive for LowRider2 CNC

...an allen key). (2) m5 bolt and nut for toothd idler (same as smooth idler bolts) (2) gt2 x...

thingiverse

free

Hevo corexy system

...motors on the back belts flipped so only 2 toothd idlers used per belt (probably reduce ringing) probably useless...

thingiverse

free

BigBox Dual X-Carriage by psyvision

...you will need some additional hardware: gt2 belts 1x 20-tooth pulley 2x f-604-zz bearings 1x stepper driver 1x stepper...

thingiverse

free

Planetary drive based z axis for core xy printers

...bearing, a 1mm precision spacer from openbuilds.com, a gt2 toothd idler with 5mm bore, another 1mm precision spacer and...

thingiverse

free

Geoff's Y-Axis Idler Pulley & Gear for Solidoodle2 Mk3 & Mk4 - all 3D printed by geoff_cohen

...the toothed pulley the belt occasionally jumped over a tooth 2 - i used bigger id ball bearings, the...

thingiverse

free

Tronxy X5SA Z Synchronization with Belt Tensioner by Toto-42

...height is 8mm to cover the full height of toothd section of the 24t pulley. you can use up...

thingiverse

free

Prusa i3 Rework Extruder Upgrade by mrice

...for an m8 hobbed bolt than the original). the tooth ratio on the gears is 37/13 (original was 43/10,...

thingiverse

free

Elbow belt tensioner suitable for 2020 frame

...id x 4mm ballbearing x 2 5mm id 20 tooth gt2 idler pulley feature: easy to print,easy to adjust,fit...

thingiverse

free

Anet A6 Y Axis Belt Tensioner and Belt Holder by fcollingwood

...replacing the idler bearings with a proper 16 tooth toothd ...

thingiverse

free

parameterizable belt tensioner by robmlr

...belt feeding under the gantry and using my gt2 tooth side belt clip. the parts should be easily available...

thingiverse

free

Makerbot Mini Idler - reduces noise by oliasmage

...the front pulleys that have 20 gt2 teeth. these toothd pulleys :) reduce noise caused by the flat surface...

thingiverse

free

anet a2 y-axis mount no extra parts needed by dan1d

...bolts no flexing as belt tension increases use metal toothd pulleys instead of smooth flange bearings (reduces "waviness") can...

thingiverse

free

GT2 Drive and Idler Pulley - w/Built in Bearings by 3DPRINTINGWORLD

...by 3dprintingworld thingiverse 3d printed timing belt set 20 tooth pulleys for a gt2 x 6mm wide timing belt...

thingiverse

free

OpenBuilds 6020 Rail X axis Belt driven with Adjustment by ant0ny

...adjustment. using nema17 motor and gt2 belt with 20 tooth idler and drive gears. just updated the parts with...

thingiverse

free

A8 - X Belt Tensioner - Anet by Baskendi

...calls "gabel_pulley" its for a idler. material: aluminum alloy tooth 20 (t) pitch: 2 (mm) bore ∅: 5 (mm)...

thingiverse

free

GT2 tooth side belt clip by robmlr

...i wanted to use smaller (16t) gt2 pulleys and idler on my openbuilds gantries to increase the steps/mm on...

thingiverse

free

Hypercube Single Z motor, dual leadscrew

...evolution. you will need 2x 20t x 8mm bore toothd pulleys 1x 20t x 5mm bore pulley for the...

thingiverse

free

IDEX-bot by gzcwnk

...print 2 or 3. g) mk2h-idex-rhs-front-20-tooth-14-mar-2018 uploaded, conversion to 20tooth stepper started its f3d file included. needs to be...

thingiverse

free

ShadowMega XY Motion System

...unit had different measurementsleft stepper plate: hole for 20 tooth idler now goes all the way throughright back idler...