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Engineering ToolBox - enabled for use with the amazing FREE SketchUp 3D drawing and modeling program.

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Circular Air Ducts - Imperial Units

HVAC Circular Spiral Ducts - imperial units

pipes

Add standard ducts to your Sketchup model by clicking "insert!

Customized ducts can be added by modifying the "custom!" row.

Nominal Diameter Outside Diameter Wall Thickness Weight
in in in lb/ft
insert! 3 3 0.0276 1.1
insert! 4 4 0.0276 1.4
insert! 5 5 0.0276 1.7
insert! 6 6 0.0276 2.0
insert! 7 7 0.0276 2.4
insert! 8 8 0.0276 2.8
insert! 9 9 0.0276 3.1
insert! 10 10 0.0276 3.4
insert! 11 11 0.0276 3.8
insert! 12 12 0.0276 4.1
insert! 13 13 0.0276 4.5
insert! 14 14 0.0276 4.8
insert! 15 15 0.0276 5.1
insert! 16 16 0.0276 5.5
insert! 17 17 0.0276 5.8
insert! 18 18 0.0276 6.1
insert! 20 20 0.0276 6.8
insert! 22 22 0.0336 9.1
insert! 24 24 0.0336 9.9
insert! 26 26 0.0336 10.8
insert! 28 28 0.0336 11.6
insert! 30 30 0.0336 12.4
insert! 32 32 0.0336 13.3
insert! 34 34 0.0336 14.1
insert! 36 36 0.0336 14.9
insert! 38 38 0.0396 18.5
insert! 40 40 0.0396 19.5
insert! 42 42 0.0396 20.5
insert! 44 44 0.0396 21.5
insert! 46 46 0.0396 22.5
insert! 48 48 0.0396 23.4
insert! 50 50 0.0516 32.4
insert! 52 52 0.0516 33.7
insert! 54 54 0.0516 35.0
insert! 56 56 0.0516 36.3
insert! 58 58 0.0516 37.6
insert! 60 60 0.0516 38.8
insert! 62 62 0.0516 41.1
insert! 64 64 0.0516 43.4
insert! 66 66 0.0516 44.7
insert! 68 68 0.0516 46.1
insert! 70 70 0.0516 47.4
insert! 72 72 0.0516 48.8
custom!
Length
Color
Offset
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Tools - accessed from within SketchUp

NOTE!! - the "insert!" and the Tools features only works when the engineeringtoolbox exension is opened from within SketchUp. Install the extension as described in the right column - restart Sketchup and open this tool from the Sketchup Plugins menu.

Edit

undo! - redo!

Color

change color! - of the selected object(s) - may be slow for some more complicated objects (save your model first!)

View

iso! - top! - front! - right! - left! - back! - bottom!

Make Component

make! - makes a component of the selected object. Note that all objects from the Engineering Toolbox are inserted as individual groups. You should transfer a group to a component sharing the same definition when there is more than one instance of the same object. Tips! Rename the object to its final name before making it a component (in outliner or with right click and entity info).

Rotate Object(s)

degrees around red, green or blue axis! (select object(s) first). Very handy for objects with curved surfaces like pipes, elbows ..

Move or Copy Object(s)

move/copy! no. copies red green blue (offset from current position
- move or copy (multiple) selected objects. Make advanced geometric constructions with multiple selections, multiple copies and the offset.
Tip! - Use "Make Component" to save space and reduce computer load when working with multiple copies.

The Knife

- inserts a "Knife" to cut in one or more objects.

insert the Knife! size of the Knife

cut! - before cut: customize the inserted Knife! The Knife is a group you can rotate, change the size of, and even add or remove objects within (example - add a function curve for an advanced cut). You can also make your own Knife by naming a group "theKnife". After insert and customizing the knife - positioning it to the object(s) where to cut - select the object(s) (must be groups) - and click cut! Afterwards - select the object(s) and remove the parts of the object(s) that you don't want.
YouTube demo of the Knife!

Move an Object to another Objects Position

move! - select two objects - then click "move" and one of the objects moves to the position and angle of the other object. Handy when moving between axis systems.

Change Insertion Point

You can change the position and angle of an inserting object by pre-selecting an existing object before Insert! The inserted object will inherit the position of the selected object. Handy when working with non-default axis.

Insert Line

red green blue - Start position
red green blue - End position

insert! - use this feature to add a reference line

Insert Horizontal Plane

insert! red (size) green (size) blue (vertical position)
- use this feature to add a horizontal reference plane

Insert Vertical Plane

insert! red (horizontal position) green (size) blue (vertical size)

insert! red (size) green (horizontal position) blue (vertical size)
- use this feature to add vertical a reference plane

Insert Box

insert! red (width) green (depth) blue (height)
- use this feature to add a box to the model

Insert external Component

insert! name url
- use this feature to add an external .skp component from the internet by adding the component url