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Geodesic Dome

Zip Tie Domes™

Geodesic Dome Kits that are Easy to Build!

3V 3/8 Geodesic Dome Calculator

Zip Tie Domes™

Geodesic Chicken Coop
Geodesic Dome Kits that are Easy to Build!

3V 3/8 Geodesic Dome Calculator

Zip Tie Domes™

3V 3/8 Geodesic Dome Calculator

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1-931-858-6892

 

How to Use
This Calculator

How to Use the Dome Calculator

1. Select Hub Size:
Select "No Hubs" to get the true "chord" length for each strut, which is the full distance for the strut between each geodesic dome vertex.
For most dome construction methods, you will use the "No Hubs" selection.
With our Zip Tie Domes Hub Design, the geodesic dome vertex is located in the middle of our "Center Ring".
When using our Hubs, the width of our Center Ring must be added to the strut length to give the true geodesic dome dimensions.
Select Standard 4" Hubs for calculating domes with our 4" Standard Hubs or Dual Covering Hubs, which have a 2.375" Center Ring. These hubs are used with 1" PVC pipe for struts.
Select Super 6" Hubs for calculating domes with our new 6" Super Hubs, which have a 3.5" Center Ring. These hubs are used with 1.5" PVC pipe for struts.
Select Mega 8" Hubs for calculating domes with our proposed 8" Mega Hubs, which will have a 4.5" Center Ring. These hubs will be used with 2" PVC pipe for struts.

2. Feet or Meters
Click the button for "Meters" if you are using metric measurements.

3. Data Entry:
Enter a number with or without a decimal fraction in any of the number fields on the left. (For example, enter "5" or "3.3333")
Click the Calculate Button. All of the other numbers will be automatically calculated.
The Blue Struts are always the longest struts. If you know your longest strut length, enter your data for the longest strut length in the Blue Strut field.
To build a strong dome, the longest strut should not be more than 6' long.

Cost Calculation and Material Utilization Chart
The default "Length of Pipe" for cutting your struts has been set to 10'. You can change this to 20' or whatever length of pipe you have to cut for your struts.
You can also update the "Cost Per Pipe" amount, and click the Calculate field, and the "Total Cost of Materials" amount will be calculated at the bottom of this section.
If you are cutting 4' struts, consider using 20' lengths of pipe, as there will be less waste as compared to cutting 4' lengths from 10' pipe.

3 Frequency 3/8 Geodesic Dome Calculator

3 Frequency 3/8 Geodesic Dome Calculator

3v 3/8 Icosahedron Geodesic Dome Calculator
3v Icosahedron
 
Select Hub Size
No Hubs:     Standard 4" Hubs:     Super 6" Hubs:     Mega 8" Hubs:
Feet:   Meters:
 
Convert to Feet & Inches
Chord
 
 
Enter the Number of in One Field, then Click the "Calculate" Button.
 
 
 

Dome Height (h)

0 0"

 
 

Dome Width / Diameter (d)

0 0"

 
 

Length of 50 Blue "A" Struts

0 0"

.41241

 
 

Length of 40 Yellow "B" Struts

0 0"

.40355

 
 

Length of 30 Red "C" Struts

0 0"

.34862

 
 

Dome Radius (r)

0 0"

 
 

Dome Equator Circumference (2πr)

0 0"

 
 

Dome Circular Floor Area in Square (πr²)

 

0

Dome Spherical Surface Area in Square (2πrh)

 

0

Dome Spherical Volume in Cubic (πh(3r² + h²)/6)

 

15

Dome Base Perimeter Number of Sides

 

0

15 Sided Base Perimeter Length ()

 

0

15 Sided Base Floor Area (Square )

 

75

Total Number of Dome Panels / Faces

 

0

Surface Area for 75 Dome Panels / Faces (Square )

 

0

Total Volume of Tetrahedrons behind 75 Dome Panels / Faces in Cubic

 

6

Number of Red 72° 5-Way Hubs

 

40

Number of Blue 60° 6-Way Hubs

 

46

Number of Center Rings

 

240

Number of Zip Ties to Construct the Dome

 

138

Number of Zip Ties to Secure the Inside Dual Covering Hubs (3 per hub)

 

138

Number of Zip Ties to Secure the Outside Dual Covering Hubs (3 per hub)

 

0 Length
0 Width  

Absolute Minimum Square Covering Dimensions for a Tightly Fitted Dome Cover

 

0 Length
0 Width  

Minimum Square Covering Dimensions for a Dome Cover Secured to the Hubs with Zip Ties with a Minimum Overlap at the Bottom of the Dome

 

0 Length
0 Width  

Maximum Square Covering Dimensions for a Dome Cover Secured to the Hubs with Zip Ties with an Ample Overlap at the Bottom of the Dome

 

0

Total Length of All Struts Added Together ()

 

Instructional Video on How to Use This Section of the Dome Calculator

 
 

Cost Calculation and Material Utilization Chart

 
 
 

 
 

Length of Pipe:

Cost Per Pipe:

 
 
Blue "A" Struts
 

 

Blue "A" Strut Units Entered:

0

Feet and Inches:

00"

 
 

Number of Pipes needed to Create (50) Blue "A" Struts:

0

 
 

Number of Blue "A" Struts Produced From Each Uncut Pipe:

0

 
 

Waste for First 0 Pipes after Cutting 0 Struts Each:

0 = 00"

 
 

<-

 
 

Number of Blue "A" Struts Created from the first 0 Pipes:

0

 
 

Number of Blue "A" Struts Created from the Last Pipe:

0

 
 

Waste on the Last Pipe after Cutting 0 Strut(s):

0

 
 

<-

 
 

Total Waste in Creating 50 Blue "A" Struts:

0

 
 
Yellow "B" Struts
 

 

Yellow "B" Strut Units Entered:

0

Feet and Inches:

00"

 
 

Number of Pipes needed to Create (40) Yellow "B" Struts:

0

 
 

Number of Yellow "B" Struts Produced From Each Uncut Pipe:

0

 
 

Waste for First 0 Pipes after Cutting 0 Struts Each:

0 = 00"

 
 

<-

 
 

Number of Yellow "B" Struts Created from the first 0 Pipes:

0

 
 

Number of Yellow "B" Struts Created from the Last Pipe:

0

 
 

Waste on the Last Pipe after Cutting 0 Strut(s):

0

 
 

<-

 
 

Total Waste in Creating 40 Yellow "B" Struts:

0

 
 
Red "C" Struts
 

 

Red "C" Strut Units Entered:

0

Feet and Inches:

00"

 
 

Number of Pipes needed to Create (30) Red "C" Struts:

0

 
 

Number of Red "C" Struts Produced From Each Uncut Pipe:

0

 
 

Waste for First 0 Pipes after Cutting 0 Struts Each:

0 = 00"

 
 

<-

 
 

Number of Red "C" Struts Created from the first 0 Pipes:

0

 
 

Number of Red "C" Struts Created from the Last Pipe:

0

 
 

Waste on the Last Pipe after Cutting 0 Strut(s):

0

 
 

<-

 
 

Total Waste in Creating 30 Red "C" Struts:

0

 
 

COST OF MATERIALS GRAND TOTALS:

 
 

Total Waste for All Struts:

0

 
 

Number of Uncut Pipe/Materials Needed:

0

 
 

Total Cost of Materials @ $4.50 Each:

$

 
 

Instructional Video on How to Use This Section of the Dome Calculator

 
 

Dome Weight Chart

 
Weight Chart 3/4" PVC 1" PVC 1.25" PVC 1.5" PVC 3/4" EMT 1" EMT 1.25" EMT 1.5" EMT 1" Bamboo 1.5" Bamboo
Lbs Per Linear Ft .21 .32 .43 .51 .43 .64 .95 1.10 .2 .4
50 Blue "A" Struts 0 0 0 0 0 0 0 0 0 0
40 Yellow "B" Struts 0 0 0 0 0 0 0 0 0 0
30 Red "C" Struts 0 0 0 0 0 0 0 0 0 0
Total Weight of Struts (lbs) 0 0 0 0 0 0 0 0 0 0
Weight of Hubs, Rings, Zip Ties 0 0 0 0 0 0 0 0 0 0
Total Dome Weight (lbs) 0 0 0 0 0 0 0 0 0 0
 
 

Instructional Video on How to Use This Section of the Dome Calculator

 
 

3V 3/8 Geodesic Dome Construction Diagram

 

 

Instructional Video on How to Use This Section of the Dome Calculator

3 Frequency 3/8 Geodesic Dome Tessellation Diagram

3V 3/8 Geodesic Dome Tessellation Diagram

 

Blue "A" Chord Factor:   .41241

Yellow "B" Chord Factor:   .40355

Red "C" Chord Factor:   .34862

 
 

Dome Panels / Coverings

 

A 3V 3/8 Geodesic Dome Will Require Panels / Coverings for:

 

 

30 C-B-C Isosceles Triangles

45 A-B-A Isosceles Triangles

 
 

 

Total Triangles: 75

--------------------------------------------

 

Triangle Dimensions

 

30 C-B-C Isosceles Triangles

 
C-B-C Triangle
Base = "B"
Altitude B Decimal 0
Feet and Inches 0 0"
 
C-B-C Triangle
Base = "C"
Altitude C Decimal 0
Feet and Inches 0 0"
 
 
C-B-C
Triangle
Edge		 Measurement Strut
Length		 Center Ring
Hub Width		 Triangle Edge
Total Length

B

 Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"

C

 Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"
 
Surface Area for Each C-B-C Triangle 0 Square

 

45 A-B-A Isosceles Triangles

 
A-B-A Triangle
Base = "A"
Altitude A Decimal 0
Feet and Inches 0 0"
 
A-B-A Triangle
Base = "B"
Altitude B Decimal 0
Feet and Inches 0 0"
 
 
A-B-A
Triangle
Edge		 Measurement Strut
Length		 Center Ring
Hub Width		 Triangle Edge
Total Length

A

 Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"

B

 Decimal 0 0 0
Feet and Inches 0 0" 0" 0 0"
 
Surface Area for Each A-B-A Triangle 0 Square
 

Instructional Video on How to Use This Section of the Dome Calculator

 


3 Frequency 3/8 Geodesic Dome Calculator generated by PERL on Friday, December 2, 2022.
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A Bottle And Friend

There's nane that's blest of human kind,
But the cheerful and the gay, man,
Fal, la, la, &c.

Here's a bottle and an honest friend!
What wad ye wish for mair, man?
Wha kens, before his life may end,
What his share may be o' care, man?

Then catch the moments as they fly,
And use them as ye ought, man:
Believe me, happiness is shy,
And comes not aye when sought, man.

Robert Burns - 1787

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