1,830 hubs 1 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
16 pages
evermotion
$120
HDRI - Hub vol. 1
...0k px). each hdr location contains the sibl set and the corresponding high resolution source hdr file. evermotion 3d models shop.
3d_export
$120
bicycle hub set
...bicycle hub set 3dexport there is a bicycle hubs set. it consists of 4 rear hubs and 5...
3d_export
free
off-road wheel and three types of tires assembly for trucks kamaz ural 43202-
...in games, virtual reality, augmented reality, broadcast, design visualization, court presentation, technical demonstrations, etc.
3d_export
$5
medieval mega kit bash pack series - vol 3 - pole arms
...me 1 & 2 and their parts will working fine with the new one and you can use them to create yet even more diverse combinations
thingiverse
free
Hex Hub 1/2" by prifken
...hex hub 1/2" by prifken
thingiverse
hex hub 1/2 inch, 6-hole #10 screw
thingiverse
free
1/10 hub for brake bucket by Tysken
...1/10 hub for brake bucket by tysken
thingiverse
this is for 1/10 drift car a special hub to fit a brake backet ....
thingiverse
free
Kyosho USA-1 Wheel Hub by ferrellm
...kyosho usa-1 wheel hub by ferrellm
thingiverse
this is a copy of the usa-1 wheel hub. works best when printed solid.
thingiverse
free
1/2" hex hub by palmert
...comes in handy with frc. this spacer fits snugly on the 1/2" hex rod uses with frc but can be used on any 1/2" hex rod
thingiverse
free
1/10 hub for brake bucket back by Tysken
...1/10 hub for brake bucket back by tysken
thingiverse
special hub for brake bucket back
thingiverse
free
P00014 12mm Hex Hub for 1/10 Buggy
...p00014 12mm hex hub for 1/10 buggy
thingiverse
12mm hex hub that mounts to the wheel splindle. will fit most 1/10 scale buggies
thingiverse
free
3dsets 1:10 trailer hub by Bart96
...ngiverse
remixed from https://www.thingiverse.com/thing:3543490
wheel hub to adapt the rims of the 3dsets car
max tire size 90mm
thingiverse
free
C-HUB for Himoto E18-Basher Pitbull 1/18 by Drezt
...c-hub for himoto e18-basher pitbull 1/18 by drezt
thingiverse
c-hub for basher pitbull 1-18, also fits in himoto e18 models
thingiverse
free
53mm Spool Hub v.1 by FourDogs
...ol hub that fits in most of my filament spools. fits a 53-55mm hole and has a small lip to keep in place. fits an 8mm all thread.
thingiverse
free
Churro-style Piloted 1/2" Hex Hub by flemdogmillionaire
...that allows for a little bit of misalignment. the pilot goes all the way through, and can be bored out to an okay range of sizes.
cgriver
$120
HDRI - Hub vol. 1
... scene with photo realistic
lighting. it works with most major 3d programs like lightwave, 3ds
max, maya, modo and xsi.
thingiverse
free
Newmen Hub Bearing Replacement Tools (Gen.1) by GER776
...cap removal and bearing insertion of gen 1 mtb hubs see video manual on newmen homepage. m4 screw and...
thingiverse
free
1:16 scale RC wheel Hub Motor mount by pooksta
... electric wheel hub. i sized this to fit a zd racing 16421 - v2 1:16 scale car. it prob could be scaled up to fit a bigger rc car
3dfindit
free
Stainless Steel Liquidtight Strain-Relief Cord Connectors 1/2"1" Hub Sizes
...nless steel liquidtight strain-relief cord connectors 1/2"1" hub sizes
3dfind.it
catalog: abb installation products
thingiverse
free
C Hub P7122 for Remo Hobby 1/10 Rock Crawlers
...c hub p7122 for remo hobby 1/10 rock crawlers
thingiverse
horizontal orientation is better for strength.
thingiverse
free
1/10 scale rc 10 stud hub adaptor by scalediesel
... my 1/10 scale alcoa wheels on my rc truck
i have printed these and they work really well, there is a separate hub nut cover also
thingiverse
free
Improved Rear Hub for Himoto Centro 1:18
...en after few hard corner
i enlarged the upper arm.
print lay horizontal so the circles for bearings are made on the same z level
thingiverse
free
Makerbot Filament Spool Hub for 1/2" PVC by rleblanc
...ingiverse
designed to fit makerbot filament spools, you will need to make two of these. it slides perfectly over a 1/2 pvc pipe.
thingiverse
free
1:8 rc wheel hub and motor support by tonymake
...iverse
how to mount 1:8 rc wheels on a gearmotor? here my solution!
suitable for 6mm shaft motor and 17mm exagon rc wheel
enjoy!
thingiverse
free
wheel hub 12 mm for Tamiya 1:10 RC cars by Siggi
...for tamiya 1:10 rc cars by siggi
thingiverse
this is a replacement part that fits tamiya df02 and many ohter 1:10 scale chassis.
thingiverse
free
1/8 RC BUGGY TRUGGY axle Hub Carrier by kayhanbsrn
...1/8 rc buggy truggy axle hub carrier by kayhanbsrn
thingiverse
i designed it for my gs buggy.
can be used for hpi vorza.
thingiverse
free
(1-2 Inch) four in one Garden Hose Hub / (halb Zoll / 13mm) vier in ein Gartenschlauch Verteiler by SolarGermany
... by solargermany
thingiverse
garden hose hub (1-2 inch) four in one...
gartenschlauch verteiler vier in ein (1/2 zoll / 13mm)...
thingiverse
free
3d Solutech Spool Hub For 1/2" PVC by TheClarkJB
...ter fitting to decrease print time.
there is a 1mm gap or so on the pvc to ensure that the pvc rod does not turn, just the spool.
thingiverse
free
Coral Frag Hub For 1/2" Plugs by Beepinheimer
...h of standard shapes.) apart from that no other changes have been made.
feel free to pm me if you have any enhancement requests.
thingiverse
free
1/10 center hub cap socket
...hten them down with a tool.
i made this socket to let me use the standard 7mm nut wrench or my hand to tighten these things down.
thingiverse
free
Hub Connectors by shunt_voyager_net
...1" x 1" tubing to fit inside or the hubs to fit inside 1 1/2" x 1 1/2" 1/8"...
thingiverse
free
Moon Rover wheel hub for 1/10 Monster truck wheel by Ajaxjones
...e inserts to try and make them look a little more industrial. print in two parts and then a dab of superglue keeps them together.
thingiverse
free
Usb Hub Holder by AustinHUN
...usb hub holder by austinhun
thingiverse
3d printed holder for vention 4 in 1 usb hub
usb hub (banggood): link
thingiverse
free
FRC Hex Hub for HTD Timing Pully by Team3187FRC
... for htd timing pully by team3187frc
thingiverse
this is a hex hub converter for a htd timing belt. hub works with 1/2 inch hex.
thingiverse
free
Wheel Hub by MetroRobotics
...wheel hub by metrorobotics
thingiverse
wheel hub made out of kit legal 1/2 inch aluminum.
thingiverse
free
tesla coil hub by The_Random_Engineer
...ingiverse
this is a tesla coil hub for a 4in pvc flange secondary. and 1-1/4 pvc legs.
this is made to fit on a cr-10 3d printer
thingiverse
free
Wheel Hub Tamiya Truck by pad86
...wheel hub tamiya truck by pad86
thingiverse
a cover wheel hub for 1/14 tamiya trucks. it can pull it over the hex
thingiverse
free
1/60 Diaclone Mech(Aston) fully articulated by Hubs
...esign it like that so articulation could be slightly tight for pose ability
i would love to have some feed backs about this build
thingiverse
free
Tetrahedral Hubs by Fredbartels
...simple tetrahedrons. the files i've uploaded are sized for 14" dowels but the hubs can be easily resized in...
thingiverse
free
Milight hub case for wemos D1 mini by xyz_print
...cz.
guide: https://github.com/sidoh/esp8266_milight_hub
things you need:
1 wemos d1 mini
1 nrf24l01+
1 protoboard for wemos
thingiverse
free
Hub Caps for Craftsman 6.5HP 21" Mulcher Mower
...iverse
front and rear hub caps for craftsman 6.5hp 21" model 917 mulcher mower. pic show hub caps after 1 season of mowing.
thingiverse
free
Shaft Hub by LabRecon
...an element, such as a disk, to a shaft. it was designed for a 1/4" shaft and includes a hole to accommodate a #2 set screw.
thingiverse
free
QGeeM USB Hub bracket by JProof
...giverse
this is a bracket for the qgeem usb-hub, but could also work for other brands.
it is very thight, maybe print 1% bigger.
thingiverse
free
1v dome hub by foofoodog
...scad is included but not worth studying. needs 11 hubs and 25 struts all the same length. needs 1...
thingiverse
free
WRENCH 24MM FOR 1/5
...wrench 24mm for 1/5
thingiverse
for all model with 24mm hub.
enjoy
thingiverse
free
Airplane Hubs Marvin - Key Chain by Ivaylo
...hubs marvin - key chain printed. look great fix 1 - gun holder was little bit...
thingiverse
free
Anet A8, Omni m505, Filament roll hub by Jhedstrom
...ment roll hub by jhedstrom
thingiverse
filament roll hub, 2pcs 1 kg rolls will fit next to each other on the standard rollstand.
thingiverse
free
Small display holder with space for a USB hub by Resorter
...ng=utf8&psc=1
usb hub: https://www.amazon.de/dp/b00knphw7g/ref=cm_sw_em_r_mt_dp_0aw9hsj14j95k8shybnq?_encoding=utf8&psc=1
thingiverse
free
filament self concentric hub by Frezer
...0mm to 70mm... the gear module 1 is clearly to small for my currently used nozzle diameter(0.5mm). the hub inner diameter is 8mm.
thingiverse
free
Window Motor Hub Adapter by RichHollabaugh
...ugh
thingiverse
used on a first robotics window motor hub to hold a 1/2" thinwall aluminum tubing. print 2. top and bottom.
thingiverse
free
AmazonBasics Slim High-Speed 10 Port USB 3.0 Hub Wall Mounts by RT3DWorkshop
...cs_slim_high-speed_top.stl
product:
amazonbasics slim high-speed 10 port usb 3.0 hub with ac adapterhttps://amzn.to/3ki6jxx (#ad)
thingiverse
free
Filament spool holder for the Tiko by Pratyeka
...ily spins around the axle.
no support required. 1 support is included in the arm where it meshes with the base. just trim it off.
thingiverse
free
Spool hub 52mm by Deviator2x
...spool hub 52mm by deviator2x
thingiverse
this thing for 52mm, but also +/- 1 mm so.
thingiverse
free
spool hub adapter with bearing by Shrodix
...
thingiverse
just two simple spool hub adapter with bearing housing.
1 = d 40mm bearing 688zz ( 8x16x5)
2 = d 55mm bearing 688zz
thingiverse
free
rc nitro front wheel hub by superchicken2027
...rc nitro front wheel hub by superchicken2027
thingiverse
for 1/10 scale rc car
thingiverse
free
Two Inch Tape Hub by JimFouch
...i found that many items use the same 2" hubs may want to also use my 1/2" pvc brackets......
thingiverse
free
USB Hub Bracket For Anker 4 port USB Hub by willbert6100
...4-port usb hub. amazon link:
https://www.amazon.com/gp/product/b07l32b9c2/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=utf8&psc=1
thingiverse
free
Atom 2 Metal Alloy Convertor
...convertor thingiverse tube for converting schumacher atom 1 alloy hubs to atom 2 king pings. you will also need...
thingiverse
free
Pixels spinner - PVC Pipe
...pixels spinner - pvc pipe
thingiverse
hub for 10 arms spinner with 1/2 pvc pipe
thingiverse
free
Huffy Torex Final Drive Gear Hub Fixed Rev1 by danworf
...ngiverse
huffy torex final drive gear rev.1 (hub dimensions corrected) printed 100 percent infill. field testing for durability.
thingiverse
free
Adapter for old kynast tricycle hub by Modellaner
...hub. you have to make ist fit with a file after printing.
you will also need:
2* 625 z bearings
(maybe) 1* quick release hub axle
thingiverse
free
USB PC Desk Control Hub by jkminns
...hub and a regular pc power switch:
https://www.amazon.co.uk/gp/product/b00oq0cyfe/ref=oh_aui_detailpage_o03_s00?ie=utf8&psc=1
thingiverse
free
Reuse eSun Black Fillament Reel by ihayes
...use 2 x 3mm screws to hold the 2 hubs and reel together. 608 bearing and bearing cover are...
thingiverse
free
Modular Robot Wheel by Trembus
...to be interchangeable with different wheel "blades". also the hubs are designed to be mounted to the standard servo...
thingiverse
free
AIO Robotics Filament Hub by TheClarkJB
...s for a 1/2" pvc rod.
it is generated from the project it remixed with a loose fit on the pvc, and a tight fit in the spool.
thingiverse
free
Ikea Cable Desk Organizer with USB Hub Holder by jhhg
...7 mm desk, holds this usb hub - https://www.amazon.com/gp/product/b07l32b9c2/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=utf8&psc=1
thingiverse
free
Spacer 1 by ock10
...to make a shorter 18mm spacer, a 1"x1/2" pvc bushing could also be used, or the 3d file could be modified to make this.
thingiverse
free
Craft-A-Bot wheel mount-1 by GEARED_UP
...craft-a-bot wheel mount-1 by geared_up
thingiverse
craft-a-bot standard length wheel hub mount
thingiverse
free
Hex Wheel Hub by lyncas
...hex wheel hub by lyncas
thingiverse
vexpro versahub 1/2 hex with modifications to strengthen the print for pla
thingiverse
free
6 X 6 Free Flight Prop Form Press by archiea67
...this form is made to use 1/16" balsa, 1/16" tubing for hub, 1/4" hub width, and up to 1.25" wide blade width.
thingiverse
free
Hubs for round tubing by shunt_voyager_net
...and inside diameter is 3/4". each attachment point is 1 degree up from...
thingiverse
free
Celestron Telescope Hub Bracket by VermontOlympian
...sr_1_8?crid=bm56vjsj6mee&dchild=1&keywords=usb+hub+aukey&qid=1596979490&sprefix=usb+hub+au%2caps%2c149&sr=8-8
thingiverse
free
Gravity Car CD Wheels by Harmony_Lab
...iction-fit clip. the jig is used with a brass insert to facilitate drilling a perpendicular 1/8 inch hole for the #8 wood screws.
thingiverse
free
Spool for loose filament by Old-Steve
.../4" socket to 1/4" hex adapter and spin it with a cordless screwdriver.
here's a video:https://youtu.be/rb5sneqllpc
thingiverse
free
M3d - USB Hub clips by mrhea00
...arch_detailpage?ie=utf8&psc=1
fan:https://www.amazon.com/gp/product/b003xn24gy/ref=oh_aui_search_detailpage?ie=utf8&psc=1
thingiverse
free
Spool Hub for Filaments.ca PLA by rleblanc
...l hub to fit onto a 1/2" pvc pipe. it fits spools from filaments.ca, or any spool with a 53mm spool hole. print 2 per spool.
thingiverse
free
Flat Under-Desk Mount for Sabrent USB Hub by lilmikey
...the hub in question is this one: https://www.amazon.com/gp/product/b00siqiv04/ref=ppx_yo_dt_b_search_asin_title?ie=utf8&psc=1
thingiverse
free
RC Car Wheel Hub by mbrenke1
...5-40 hex nuts (fits into the slots on the hubs ...
thingiverse
free
mounting hub adapter by MERVIN______
...hole
note: i fine tuned the diameter sizing of the holes and shaft to my nema 17 without calibrating the flow rate of my printer
thingiverse
free
Anker 4 Port USB Hub 90 Angle by TecHno_Guy
...ugh they are optional.
parts needed:
1x anker 4 port usb hub
parts optional (but recommended):
1x m2 countersunk screw
1x m2 nut
thingiverse
free
Munchkin Level Wheel 1-10
...rm to remove positional sphere.
revision 1/2/2020: deepened number voids; removed positional indents; added rim to indicator arm.
thingiverse
free
Hub Bub Odd (2017 Science Olympiad) by cordovalabs
...t and test reliable.
note: at time of upload, the design has not been tested in competition and has no guarantee of performance.
thingiverse
free
PVC Star/spinner center hub 8 spoke by jonnyb44
...pvc star/spinner center hub 8 spoke by jonnyb44
thingiverse
8 spoke spinner for 1/2" pvc
thingiverse
free
Virgin Media V3 Hub - 2U cabinet rack mount by RichieH
...ition, with space to supply 1 rj45 keystone jack and 1 coax f female to f female coax cable joiner, from the front of the mount.
thingiverse
free
Timing Pulley (170 XL 037 belt) compatible with Pololu Universal Mounting Hub by Rescurib
...pololu universal aluminum mounting hub for 6mm shaft. i have already printed it and it fits perfectly with a tolerance of 0.5 mm.
thingiverse
free
OpenRC -> RC18 wheel adapter by AustinDavid
... spacer on the outside, the hub adapter on the inside, and slide it onto your axle
6) tighten it up with the original nylock nut.
thingiverse
free
WPL Adapted Trilex Dually Wheel and Hub Cap
...ted trilex dually wheel and hub cap
thingiverse
adapted from a tamiya 1/14 scale file for the 1/16 scale wpl/jjrc trucks in mind
thingiverse
free
Robo3D Spool Hub by aaronmitchell
...spool hub will not loosen due to vibrations. spool hubs included fit 1" and 2.5" wide filament spools. if...
thingiverse
free
Traxxas slash 1/16 paddletire by biscut198
...ngiverse
this is a design of paddle tires there is a reason there is a hub on the out side for the fron for creanse of the frame
thingiverse
free
Tetrix PVC adapter by lancerrobotics
...1 inch pipe to adapt them to tetrix axle hubs ...
thingiverse
free
Geodesic Dome Connector by knelso
...geodesic dome connector by knelso
thingiverse
designed to be used with 1/2" struts and requires 3 nuts and bolts per hub
thingiverse
free
Holder for Mijia Smart Home Hub by rsh
..._mijia_smart homehub 1
gb_special_type6 m3x6 4
nut din 7991 - m3 x 8 4
thingiverse
free
Bewässerung Verteiler 13mm auf 15x 4mm / Garden irrigation Hub 1-2 inch to 15x 4mm Hose by SolarGermany
... erreichen.
edit: here are the blindplugs / hier nun auch die passenden blindstopfen https://www.thingiverse.com/thing:2903438
sg
thingiverse
free
Filament Spool Hub with Print In Place Bearings by BoomZilla1
...hub with print in place bearings by boomzilla1 thingiverse hubs to hold your spool in typical 8mm spool holders...
thingiverse
free
Tetrix Tank Sprockets with Actobotics Hole Spacings by cheer4ftc
...use of tetrix treads with actobotics 1/4" axles and hubs sml versions have small inner holes for connecting to...
thingiverse
free
3D Solutech spool
...head bolts and nuts
outside diameter is 205mm
hub od diameter is 75mm
hub id diameter is 45mm
inside width is 57mm when assembled
thingiverse
free
RC Wheel Hub (1/16") for Cheap Chinese Wheel by kilroy07
...rly tuned printer i had to drill out the center hole with a 1/16" drill bit. you will need 4 per plane (2 inside and 2 out.)
thingiverse
free
Celestron Telescope Hub Bracket by VermontOlympian
...geable-12000mah-multi-led-indicator/dp/b00me3zh7c/ref=sr_1_3?dchild=1&keywords=battery+pack+12v&qid=1597100560&sr=8-3
thingiverse
free
Super 8 film reel by Laagvlieger
...super 8 film reel by laagvlieger
thingiverse
reel to hold a super 8 film.
7" reel for a 1/2" hub
thingiverse
free
Mounting Hub - Remix from Grabcad by MERVIN______
...les-1
note: i fine tuned the diameter sizing of the holes and shaft to my nema 17 without calibrating the flow rate of my printer
thingiverse
free
Rev Robotic Hub mount plate for goBilda strafer chassis
...gobilda.com/strafer-chassis-kit/https://www.amazon.com/gp/product/b07p64qkdm/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=utf8&psc=1
thingiverse
free
Andersson USB Type-C Hub 1.0 holder by drtwo
...ed of putting it up on its side when inserting sd-card. this helped.
dimensions: 40mmx49mm outer dimensions.
gaps: 27mm and 17mm
thingiverse
free
Retro Playstation Pi Usb Hub Holder by jakobwesthoff
... raspberry only has 4 ports total.
additional parts
i used the following usb-hub as inlay for this part:
usb 2.0 hub smile 4-port
thingiverse
free
7 x 7 Prop Form Press by archiea67
...till uses the same 1/16" tube for the hub. the hub width is 3/8". the press will make up to a 1 3/8" wide blade.
thingiverse
free
Tire Star configuration 2.0 by shunt_voyager_net
...pdated tire star configuration. tube outside diameter is 1/2" and inside diameter is 1/4". use as hub connector or etc.
thingiverse
free
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
free
Fingertech/Liteflite Foam Wheel Hubs 3mm
...hubs, they work fine in pla. extra hardware used: 1 3mm id teflon or nylon washer between the motor...
thingiverse
free
USB Hub Monitor Mount by Mhouser13
...part using m4 screws.
usb hub -https://www.amazon.com/gp/product/b07l32b9c2/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=utf8&psc=1
thingiverse
free
Deeper Rim for airless tire by Voss3090
... tire by voss3090
thingiverse
this model is .1 deeper within the hub nut. i had trouble getting on the nut to hold the wheel on.
thingiverse
free
1:10 RC Street Rim by Bitfrost
...1:10 rc street rim by bitfrost
thingiverse
diameter: 52 mm
width: 26 mm
12 mm hex hub
inventor 2015
thingiverse
free
Sabrant USB hub fix by thesilence84
...n_title?ie=utf8&psc=1
it is a very tight fit, but it works if you put the cable in first and then flex the upper left corner.
thingiverse
free
Antweight Horizontal Bar Spinner - Tiger Shark V4 by thesaxmachine
...were used are from hobbyking in conjuction with lite hubs from fingertech.50:1 spark motorsviper horizontal spinner add-onfingertech pulleyfingertech beltflanged...
thingiverse
free
Chicken Foot Domino Hub by DrewTM
...hat will make reinforcing walls that connect just right with 1.5 or 1.6 mm wall thickness. use an internal brim for bed adhesion.
thingiverse
free
4 blade wind turbine by morrowwm
... direction of foil, finer mesh, improved hollow hub
http://adsabs.harvard.edu/abs/1975hfm.....1..269lhttps://youtu.be/ofsggegy9tg
thingiverse
free
Model - Seagate Backup Plus Hub External Drive
...tic mesh
all measures are by hand.. so it can be +-1-2mm
in this model ventilation holes only on bottom 8( whyyy seagate whyyyyy?
thingiverse
free
USB Hub Mount by BruceBach
...erse
remixed to fit this usb hubhttps://www.amazon.com/gp/product/b00jepiooq/ref=ppx_yo_dt_b_search_asin_title?ie=utf8&psc=1
thingiverse
free
Chair Caster Tire by 1-prop-head
...-head
thingiverse
replacement caster hub tire for steelcase chair caster. could be adapted to other casters of similar design.
thingiverse
free
Wheel Hub Pulley for kryptonics classic wheels by burrowedprojects
... by burrowedprojects
thingiverse
it is 1/10th the actual size so scale stl by a factor of 10. the higher the infill, the better.
thingiverse
free
Needle roller bearing filament spool hub by TimeFramed
..._details_o00_s00_i00?ie=utf8&psc=1
they're large enough i.d. to fit onto a piece standard 1/2" electrical conduit.
thingiverse
free
wind spinner v5 by NikDFish
...ighter fit on the 608rs bearing.
the stake mount is sized for placement on a 3/8" all-thread rod used as a mounting stake.
thingiverse
free
Quick Geodesic Dome Connector by knelso
...e quickly assembled in a geodesic dome, only requires 3 1/2" screws per hub. meant to be used with 1/2" circular struts