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3v 3/8 Geodesic Dome

"Super Hubs Only" Kit

For 1.5" PVC Pipe (Schedule 40) Struts

30 Day Return Policy, 2 Year Warranty, All Parts Made in USA.

3v 3/8 "Super Hubs" Geodesic Dome "Hubs Only" Kit
for 1.5" Schedule 40 PVC Pipe Struts

  • Geodesic Dome Kit
    3v Dome with Super 6" Hub
  • Geodesic Dome Kit
    3v 3/8 Dome
  • Geodesic Dome Kit
    Super 6" Hub
  • Geodesic Dome Kit
    Super 6" Hub closeup
  • Geodesic Dome Kit
    Inside the Super 6" Hub Dome
  • Geodesic Dome Kit
    Super 6" Hub Assembly for Bottom Tier
  • Geodesic Dome Kit
    2v Dome with Super 6" Hubs - 16' wide, 8' tall
  • Geodesic Dome Kit
    2v Dome with Super 6" Hubs - Load Test
  • Geodesic Dome Kit
    2v Dome with Super 6" Hubs - Load Test

3v 3/8 Geodesic Dome

3v 3/8 "Super 6" Hubs" Geodesic Dome "Hubs Only" Kit for 1.5" PVC Struts.


This kit will build a 25' diameter - 10' tall
3v 3/8 Geodesic Dome.

Super Hubs for 1.5" Schedule 40 PVC Pipe Struts.

This kit comes with our "Super Hubs", for building a Geodesic Dome with 1.5" PVC pipe.

This "Hubs Only" Kit comes with everything necessary to build a 3v 3/8 Geodesic Dome, except the struts. No struts are included with this package.

The "Hubs Only" Kit contains instruction on how to cut your own struts from 1" Schedule 40 PVC pipe, which you can purchase at Lowes or Home Depot and save money.

The "Hubs Only" Kit will include a printed copy of our 3v 3/8 Dome Construction Manual, which includes Detailed Instructions on How to Cut Your Own Struts.

We also have an online video on "How to Cut Your Own Struts", as well as "How to Build a 3v 3/8 Geodesic Dome."


Customer Reviews for the Super 6" Hubs Only Kit

(Note: This item is new for 2016, so our reviews are limited at this time.)

Norman Burkhart - "Thanks again for a simple solution to the hub problem! My friends are all jealous. LOL." Click to read review

MTSU Drone Research Program - "The domes will be a tremendous help to students in these aerospace and biology programs" Click to read review

Middle Tennessee State University - Alternative Structures Real Estate Class, Fall, 2015 Click to read review

Customer Reviews for the 3v Geodesic Dome Kit

Santiago Ripley - "I cannot thank you enough, I love my domes! They're fantastic."

Matan Gill - The 25' 3v 3/8 Zip Tie Dome was used for the "EcoDome" exhibit at the Nebraska State Fair.

Gene Hersey - "I'm a big fan of ZipTie Domes! I'm a promoter, Dudes! I'm telling everyone about your clever product!"

Dave Doucette - "Raised the Dome yesterday. It went up without problems. The instructions work great. All the parts were fine."

John Thompson - "Thanks, it's been fun putting this together."

Tim Nicholson - "My wife and I love the domes."

Click Here to See a Complete List of Our Customer Reviews

3v 3/8 Super 6" Hubs Geodesic Dome "Hubs Only" Kit - $368.00

This kit will build a 25' diameter - 10' tall
3v 3/8 Geodesic Dome.


3V 3/8 Geodesic Dome


This package will build a 25' wide geodesic dome.

  • 6 Red 5-way Hubs
  • 40 Blue 6-way Hubs
  • 46 Center Rings
  • 300 Heavy Duty 250 Lb Stainless Steel Zip Ties (240 needed for construction, plus 60 extra Zip Ties)
  • Assembly Instruction Manual
  • Suitable for 1" PVC Struts up to 5' in length that you can cut yourself.
  • Our Geodesic Dome Hubs are made for 1" PVC. If you are building with 1" or 3/4" EMT Conduit, email us at and we will specially manufacture your hubs to fit your 1" or 3/4" EMT struts at no extra charge.
This item is in stock, and will ship out the next business day.

All parts guaranteed with replacement for two (2) years from date of purchase.

All Parts Are Made In USA


3v 3/8 Super Geodesic Dome "Hubs Only" Kit Contents:

6 Red 5-way Super Geodesic Dome Hubs

40 Blue 6-way Super Geodesic Dome Hubs

46 Center Rings

300 250 lb Stainless Steel Zip Ties for Dome Construction


Cutting Your Own Struts

To support our "Hubs Only" kits, we have produced a DIY video, "How to Make Your Own Geodesic Dome Struts."

Common Strut Lengths are:


17' wide, 7' tall - 3v 3/8 Dome:

50 Blue "A" Struts - 3' 4"

40 Yellow "B" Struts - 3' 3 - 1/8"

30 Red "C" Struts - 2' 9 - 1/4"


20' wide, 8' tall - 3v 3/8 Dome:

50 Blue "A" Struts - 4' 0"

40 Yellow "B" Struts - 3' 10 - 7/4"

30 Red "C" Struts - 3' 4"

25' wide, 10' tall - 3v 3/8 Dome:

50 Blue "A" Struts - 5' 0"

40 Yellow "B" Struts - 4' 10 - 5/8"

30 Red "C" Struts - 4' 2 - 1/8"


30' wide, 12' tall - 3v 3/8 Dome:

50 Blue "A" Struts - 6' 0"

40 Yellow "B" Struts - 5' 10 - 3/8"

30 Red "C" Struts - 5' 3/8"


Use our Dome Calculators to determine the correct strut lengths for other dome sizes.

In our Dome Calculators, the Blue Struts are always the longest strut. Enter your longest strut in the Blue Strut column.

For best results, the longest strut should not be more than 5' long. with an absolute maximum length of 6' 8".

If you have questions, please call us at (931) 858-6892 and we will be glad to help you.


Our Guarantee

  (1) We guarantee to replace any defective part for two (2) years from date of purchase.

  (2) Lifetime Customer Support. Call us at (931) 858-6892 and we will answer any question, or resolve any problem you have with our products.


Customer Reviews of our Geodesic Dome Kits

Geodesic Greenhouse Domes

  1. Matthew Toth, Molalla, OR - 2v Geodesic Greenhouse with Kneewall and Vent

  2. Gene Hersey, Stevens Point, WI - 24' Dome from 3v 5/8 Geodesic Dome "Hubs Only" Kit

  3. Aaron Bates - 2v Geodesic Dome "Dual Covering Hubs Kit" with Shrink Wrap

  4. Bill Lamerdin, Reno, NV - 20' 3v 3/8 Greenhouse Dome with Solar Powered Fan

  5. Nathan Byrd - 16' Dual Covering Dome with Kneewall for Greenhouse

  6. Mark Leathers, Rolla, MO - 2V Dome with 3' Knee Wall and Door Frame

  7. Martin Fitzpatrick, Hillsborough, NC - 25' 3/8 3v Greenhouse Dome Kit

  8. Heather Lucero, Great Falls, MT - 16' Geodesic Greenhouse Dome Kit

  9. Amy Boortz, Chickamauga, GA - Geodesic Greenhouse - 3v 3/8 Std Hubs Only Kit

  10. Paul White, Kingston, RI - 13' Camouflaged Dome for Storage Building

  11. Tim Nicholson - 25' 3v 5/8 Standard and Dual Covering Dome kits for Aviary and Greenhouse

  12. Dave Doucette, Hamlin, NY - 24 foot 3 Frequency "Hubs Only" Package

  13. William Randazzo, Roseville, MI - Painted 2V Greenhouse Dome Build Sequence

  14. Franc Stratton, Smyrna TN - Greenhouse Dome (My first customer, and my friend!)

  15. Jeff Mabbitt - 25' 3v 5/8 Greenhouse Dome


Geodesic Swimming Pool Covers / Trampoline Covers / Fish Tank Covers / Pond Covers

  1. Tracy Crichton, Gainesville, FL - 16' 2v Geodesic Swimming Pool Cover

  2. Therese Melena, Ina, IL - 3v 5/8 Geodesic Swimming Pool Enclosure

  3. Benjamin from Indiana - Geodesic Swimming Pool Cover

  4. Kristi Costa - 16' 2v Dome for Covering Trampoline in Winter

  5. Gary Burtle, Tifton, GA - Aquaponics Fish Tank Cover - 2v Std Hubs Only Kit

  6. Dale Stalter, Rockford MI - Fish Pond Covering Dome


Art Domes / Presentation Domes

  1. Dennis Love, Austin, TX - 2v "Hubs Only" Kit for Halloween Mausoleum.

  2. Tim Nelsen, Prescott Valley, AZ - Mandala Art Display and Meditation Dome

  3. Christoph Draeger, Umeå Academy of Fine Arts, Sweden - Geodesic Dome for Kunstmuseum Chur in Switzerland

  4. Jenny Muskopf, Oakland CA - 16' 2v Greenhouse Kit for Student Art / Meditation Dome

  5. Diana Reichenbach, Baltimore, MD - 2v Silo Dome for FullDome Planetarium Immersive Animation Exhibit

  6. Gene Harrison, New York, NY - 2v Super Hubs Dome with Light Show

  7. Eliza Bernatowicz, Poznan, Poland - 3v 5/8 Light Painting Art Dome

  8. Adelle Lin, New York, NY - Art Dome using 1/4" Plywood Panels for Exhibit in Berlin, Germany

  9. Matan Gill - 25' 3V 3/8 EcoDome for Nebraska State Fair

  10. Owen Lane - Art Exhibit using the 16' Geodesic Dome Kit

  11. Matthew Koscica, Artist - Art Presentation Dome

  12. Selina Rosales - Art Dome for Alzheimer's Diseasea Awareness


Burning Man / Festival Domes

  1. Mary Beth Panagos - 25' wide "Substance Free" Shelter at Burning Man Events

  2. Jim Sutton, Texas - Geodesic "Death Star" That Rotates with Laser for High School Prom

  3. Tommy Bairstow - Geodesic Event Dome at Yosemite National Park and Other Places

  4. Stephanie Shaw, Medina, OH - 2v Half-Dome for a Max Max "Thunderdome" Party

  5. Amie Rae Uittenbogaard, Nicholasville, KY - 16' 2v Greenhouse Kit for a Festival Art Dome

  6. Heather Billiot - 2v Burning Man Dome - with Glowing Neon Tubes!

  7. Santiago Ripley, San Bruno, CA - Geodesic Festival Dome - 3v 3/8 and 5/8 Std Hubs Only Kit

  8. Doug Darin - Burning Man Festival Tent - 2v Std Hubs Only Kit

  9. Salvador Delarosa - 2v Hubs Only Kit for Event Dome

  10. Steve Miller - 2v Hubs Only Kit for "Burning Man" Event Dome

  11. Raymond Castaneda - Go, Santa Monica, CA - Painted Event Dome


Video Projection Domes

  1. Ryan Houser, Raleigh, NC - 16' Geodesic Dome for a Backyard Projector Theater


Geodesic Silo Domes

  1. Mario Lozano, Naples, FL - 13' Geodesic Silo Dome to Cover Fruit Trees

  2. Diana Reichenbach, Baltimore, MD - 2v Silo Dome for FullDome Planetarium Immersive Animation Exhibit

  3. Samiyah White - 2v Silo Dome on Lake Havasu, Needles, CA


Sheep Shelter Domes / Goat Shelters

  1. Jason Lowe - 16' Geodesic Sheep Shelter Kit

  2. Tim Riesdorf - Geodesic Dome for Housing Goats


Heavy Duty Geodesic Shelter Domes with 1.5" PVC Pipe

  1. Norman Burkhart, Ramona, CA - 20' 3v 5/8 Geodesic Shelter Dome "Super Hubs Kit"

  2. Mary Beth Panagos - 25' wide "Substance Free" Shelter at Burning Man Events

  3. MTSU - 25' 3v 5/8 Geodesic Dome for Drone and 10' Domes for Spider Habitat Research

  4. Dick V.S., Costa Rica - 6" Super Hubs Kit for Building Concrete Domes

  5. Super Hubs Load Test Video - 16' Silo Dome, 12' tall


School Projects

  1. Todd Burleson - Winnetka Public Schools Foundation, Winnetka, IL

  2. Christy Buchanan - 16' Greenhouse for Special Needs Children - Ridgeway, SC

  3. Middle Tennessee State University, 16' Dome Build, Murfreesboro, TN

  4. David Polak - 4v Geodesic Dome, St. Catherine's School, Richmond VA

  5. Mary Klinghard, HATPonics - Geodesic Greenhouse for Education

  6. Cyd Smillie - 16' Greenhouse for Chicago Public Schools Food Science Class

  7. Eric Patton - 16' Geodesic Dome for Science Class

  8. Ed Weschler - Science Project for School


Technology / Other

  1. MTSU - Geodesic Domes for Drone and Spider Habitat Research

  2. Allyson Packer - Geodesic Ice Fishing Hut on Frozen Lake

  3. Marc Perea, San Benito Marching Band - 13' Geodesic Dome

  4. Steven Myers, Austin, TX - 3D Scanner Dome

  5. Philip Seagraves - Geodesic Bath Hut

  6. Debbie Gleason - Georgia Southern University Museum Technology Exhibit

  7. John Thompson - 3v 5/8 Hubs Only Kit using 3/4" EMT Conduit Struts

  8. Julian Lines, Mt Tremper, NY - Hubs Only Package



  1. Richard Gutierrez - Zululand AIDS Orphan Project, South Africa

  2. Leigh Block - Free Domes for Sheltering Homeless People

  3. Christopher Dakin - Dome for Astronomical Society, United Kingdom


To place an order online, visit our Online Catalog.

For a telephone order, call us at 1-931-858-6892.

Or, go to our Contact Us page to send us an email.

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