Anyways, I'm always having trouble finding things on Thingiverse that I know I've seen, but can't seem to get to come up again in a search, without having to page through hundreds of unrelated items. In particular I knew there were upgrades I wanted to do to my Replicator, but I was always wondering if I had the latest thing, or if it had been obsoleted by something better. So I made a list. I tried to get everything associated with the Replicator, but I'm sure I missed something; so if you notice something missing, please mention it.
I've sort of put them in categories, by date, and noted what they were decended from.
EXTRUDER FAN/AIRFLOW
MakerBot Replicator Reverse Fan Bushings by kmemmons
Replicator Extruder Fan Guard by garyacrowellsr
makerbot Replicator Cooler Fan Guard by Daith
Replicator Fan Deck - Easy Fan Replacement by LeftAngle
Cooling Fan mount and fan guard. by drandolph
Lazy Man's Fan Guard by CrazyJaw
Fan Guard with Deflector by bottleworks
Fan Guard & Airflow Deflector for Makerbot Replicator by apexio
Replicator's FAN cover by nameless911
Makerbot Replicator Air Guard by mirrorboy
Replicator 1 Cooling Fan by jer
Replicator 1 Cooling Fan - Split for Printing by fros1y
FILAMENT GUIDE
Replicator feed support by laird
Filament Corner Guide for Replicator by cymon
Upgrade part for Replicator filament tubes by sirmakesalot
Makerbot Replicator Filament Guide by arthurgibbs
Replicator feed support with backplate by mih
Replicator Spool Centre Feeder by Fastrack
Octave Spool Guard by latigerlilly
Double filament guide for Replicator by pintokitkat
MIGHTYBOARD FAN REWORK
Replicator Circuit Cooling Re-Designed by drandolph
Makerbot Replicator Quiet Fan mod by delsydsoftware
MBI REPLICATOR ORIGINAL
The MakerBot Replicator by makerbot
MakerBot Replicator Interface Board REVB by makerbot
MakerBot Replicator Heater Board REVB by makerbot
MakerBot MightyBoard RevE by makerbot
MakerBot BotStep17 REVE by makerbot
MakerBot Replicator TSP Single Line Drawing by MakerBlock
MakerBot Replicator liberated from Solidworks (STEP, IGES, Parasolid) with BOM! by tlalexander
HBP LEVELING
Replicator Bed Level Jig by phineasjw
Parametric dial gauge holder for Replicator by Bror
Dial Gauge Holder for Replicator by heathzap
Replicator Levelling Jig by solertron
Dial Indicator Mount For Replicator by mandy2tom
Replicator Tramming Gauge by garyacrowellsr
Replicator Tramming Gauge for digital guage by drandolph
Powerfist (Princess Auto) Deflection (Dial) Gauge Holder by Fastrack
Permanently Mount Your Printer's Leveling Gague by LeftAngle
YADIH - Yet Another Dial Indicator Holder For Replicator by jetty
d24864 d28725
Replicator Bed Level Jig for Makerbot HBP Leveler by latigerlilly
BUILD PLATFORM
Replicator Heated Build Platform Washer/Spacer Replacements by mechamithrandir
Replicator Flat Build Plateform by einer_designs
Replicator Build Plate Extension (39% Bigger!!!) by bfraser
Replicator Kapton Tape Applicator by drandolph
Printable Kapton Tape Applicator by Daveon
Replicator HBP height adjustment retaining jig by 66tbirdJZ
Miracle Print Adhesion Improver
Switch From Aluminum to Glass... The Easy Way. by LeftAngle
Replicator build platform limit adjustment clip by jessed
Replicator HBP Washer Constraints by GeraldO
Replicator Layout Grid & Glass Holder by LeftAngle
Acrylic plattform upgrade for the Replicator by Eureka
CALIBRATION PRINTS
The Replicator Calibration Print by makerbot
Dual Extrusion Centering Anchors by IronFace
Replicator print head centering calibration thing by LeeroyLee
EXTRUDER TOP BRACKET
Replicator extruder top by toreg
Beefed Up Replicator Extruder Bracket by MangoT21
Motor Clamp Plate by DDStarkey
EXTRUDER REWORK
Minimalistic Mk7 replacement by whosawhatsis
Replicator Generic HeadMount by ez-thing
Dualstrustion nozzle leveling Fixture by einer_designs
Minimalistic Mk8 replacement by emmett
Swapping the orientation of the extruder motor/heater assembly by DDStarkey
Right and Left Minimalistic Mk8 replacement - Modded by Doogiekr
A Few Bits for Emmett's Minimalistic Mk8 replacement
SPOOL HOLDER
Parametric Replicator Spool Holder by shaunp
Extra Replicator Spool Holder by Octovir
Replicator Small Spool Holder by rdh824
1.5” Spool Holder by MangoT21
38mm diameter filament spool bracket for replicator by brianhomer
Parametric Replicator Spool Holder - 2 by garyacrowellsr
makerbot 32mm filament spool holder by zhoujianfu
Octave Spool Holder Version 1.0 by chrispainter
Mini Heavy Duty Printable Filament Spool by cymon
d11447
Replicator spool holder for 32mm x 90mm spools by Nben
Generic lasercut spool holder for MakerBot Replicator by CreativeTools
Quick Change Replicator Reels with BONUS by LeftAngle
Replicator spool holder alternative by athey
Replicator Smaller Spool Holder by gth
DrSpool (for the Replicator) by Tentacl3d
Parametric Spool Holder for Replicator by clothbot
FEET
Replicator Replacement Foot by shaunp
Replicator Feet by BrianStamile
MakerBot Replicator Feet Upgrade by etrohn
Replicator Foot with Grip Pad by garyacrowellsr
Ulti-foot by Gijs
Feet w/ shield holder
HOOD/ENCLOSURE
Plexiglass Case // Enclosure for Replicator by Triskite
Makerbot Replicator cover by gargleblaster
Replicator Cozy Frame by cymon
Replicator 3mm hood and cover by drandolph
Replicator 3mm hood and cover derivative by andyways
DIY Replicator Cover and Windows by JoeyC
Makerbot Replicator Enclosure (No Laser Needed) by Davedbq
Complete Replicator Front door by drandolph
Replicator Hood by deprocess
MakerBot Replicator Hood by jrw25
Venting Replicator Cover by LeftAngle
$15 Acrylic Replicator Enclosure by f4ichuck
$15 Enclosure Full Plate by MAKERFAM
Replicator windows by teachermakesthings
Replicator windows cut files by drandolph
Replicator 1. Hood and cover (no postprocessing) by HafnersBuero
HOOD/ENCLOSURE CLIPS, HINGES
Replicator Door Panel Hinges by phineasjw
Side Panel Clips by etrohn
Cover Hanger Bolt Spacers by princeofwands
Replicator Hood Support Clips by garyacrowellsr
Side clips with grip knobs for Replicator side panels by drandolph
Replicator Clips for 0.08" Plexiglass Windows by Nben
Replicator Cover Hanger Bolt Spacers v2 by Fastrack
Replicator Front Cover Stabilizer Brackets & Lift Handles by Fastrack
Makerbot Replicator Panel Holder by drandolph
Makerbot Replicator Panel Holder Long Version by drandolph
Replicator door window holders by invented
Replicator Window Clips for 0.093 by TCorgard
Corner brace for acrylic/plexiglass boxes or hoods by delsydsoftware
Replicator Front Cover Stabilizer Brackets by mih
MakerBot Replicator Window Clip 1.5mm by berserkerscientist
Replicator panel holder upper stabilizers by MAKERFAM
Enclosure Door Handles by cymon
Replicator 3mm acrylic side panel spacers by apexio
Replicator hood latch
FIRMWARE/SOFTWARE/GCODE
Dual Extrude Both Extruders at Once for Replicator by thorstadg
Both Extruders At Once For Replicator by JoeyC
Replicator Dual - Nozzle Centring Script (That actually works) by Fastrack
MK8/MK7 Nozzle Cleaning Script by jetty
Make stronger parts with your replicator by jasonwelsh
Sailfish Firmware by jetty
CABLE CLIPS
Replicator Extruder Wire Bundle Strain Relief Upgrade by GeraldO
Cable Retainer Clip for The Replicator by Jiffies
Replicator Strain Relief Upgrade Upgrade by AdanA
Replicator Power Cord Support Bracket by DDStarkey
CORNER COVERS
Fan Grill for Replicator by iliis
Replicator Corner Hole Plug by DDStarkey
Replicator Keyboard Cover by DDStarkey
Replicator1 - 3 x Corners
RESET BUTTON
Replicator Reset Button Pusher by jetty
Replicator Reset Button Pusher by JoeyC
TOOL/SD CARD HOLDERS
Parametric SD Card Holder by MattS
Multiple SD card holder by michelefaini
Another SD Card Holder by sgrover
Tool Holder Base by etrohn
Replicator Tool Accessory Holder by MangoT21
Replicator Under Tool Holder by cymon
Makerbot Replicator Organizer by drandolph
MakerBot Replicator Tool Holder by bradk2012
Makerbot Replicator maintenance tools holder by terenceang
MISCELLANEOUS
Fullsize Makerbot Arms by makerbot
S Bracket for Replicator (Pair) by nickfabb
BotStep17 Removal Tool by garyacrowellsr
Replicator Thermometer/Humidity Meter Clip by garyacrowellsr
MakerBot Nameplate by makerbot
makerbot replicator - wiper and bucket by alexrich82
Replicator Hood fume extractor by drandolph
Taming the @#$@ Z-Axis Stop... by LeftAngle
Y-axis Belt Tensioner by travmac79
Ikea Dioder Clip for Replicator by Hammerhead
CAMERA HOLDERS
iPhone Bracket for Replicator (Pair) by nickfabb
G2 Replicator Phone Holder by itstemo1
Replicator Webcam Mount by chriscrewdson
Webcam Holder by MangoT21
Webcam holder for Replicator by drandolph
Samsung Galaxy Note camera mount by pintokitkat