View source for Inkscape-Techniques-to-Create-Vector-Graphics/C2/3D-Drawing-of-a-Pair-of-Headphones/English

'''Title of script: 3D Drawing of a Pair of Headphones'''

'''Author''': Shital 

'''Keywords''': Inkscape, headphones, Gradient, Difference, Union, Bezier tool,3D Drawing of a pair of Headphones, Video tutorial.


{| border=1
|| '''Visual Cue'''
|| '''Narration'''
|- 
|| '''Slide Number 1'''

'''Opening Slide'''
|| Welcome to this Spoken Tutorial on '''3D Drawing of a Pair of Headphones''' using '''Inkscape'''.
|- 
|| '''Slide Number 2 and 3'''

'''Learning Objectives''' 
|| In this tutorial we will,

* Import a headphone’s picture into '''Inkscape'''
* Use '''Circle tool''', '''Difference '''and '''Union''' options to create speaker’s cups and cushions
* Use '''Bezier tool''' to create a headband 
* Create shadows and light using '''Gradient tool''' to bring depth to the drawing
* Create a 3D realistic drawing of a pair of Headphones

|- 
|| '''Slide Number 4'''

'''System Requirement''' 
|| To record this tutorial, I am using,
* '''Mac''' OS version 10.14.6
* '''Inkscape '''version 1.2.2


|- 
|| '''Slide Number 5'''

'''Prerequisites'''

http://spoken-tutorial.org
|| To understand this tutorial, learner requires a good command of Inkscape tools.

For the prerequisite tutorials on '''Inkscape '''please visit this website.

|- 
|| '''Slide Number 6'''

'''Code Files''' 
|| The image used in this tutorial is given in the '''Code Files''' link.

Please download and extract the file.

Make a copy and then use it while practising.
|- 
|| Open '''Inkscape'''
|| Let us open '''Inkscape.'''
|- 
|| '''File '''>> '''Document Properties >> 

Orientation ''' >> Select the ''''Landscape '''Orientation'''

Click on '''Close button(X)'''
|| Go to '''File ''' and click on '''Document Properties'''.

In the dialog box, select ''' Landscape Orientation'''.

Close the '''Document Properties '''dialog box.
|- 
|| Go to '''File'''>> Click on '''Save'''.

In the Save dialog box type the filename as '''3D Drawing of a pair of Headphones.svg'''.


Click on '''Save''' button. 
|| Let us now save the file.

Go to File. Click on '''Save'''.

In the '''Save''' dialog box type the filename as '''3D- Drawing-of-a-pair-of-Headphones.svg'''.

Click on '''Save''' button.

Please remember to save the file often while drawing.
|- 
|| '''File '''>> '''Import >> 

Select file to import '''>> 

'''Desktop ''' >> Select the file >> 

Click on '''Open '''.
|| Go to '''File '''and click on '''Import.'''

In the dialog box''' Select file to import'''.

Go to the location on your computer where the image is saved.

Select '''File''' and click on '''Open'''.
|- 
|| '''Jpeg image bitmap import '''window opens.


Click on''' Ok''' >> 

Close the dialog box >>

Point out imported image.

|| '''Jpeg bitmap image import '''window opens.

Click the '''OK ''' button to close the window. 

Now, the image is loaded on the canvas. 

Scale and adjust the reference image.
|- 
|| Go to the '''Layers panel''' located on the right side of the interface.

>> Double click on the selected Layer >> 

Rename the name as ‘Reference’


|| Go to the '''Layers panel''' located at the right side of the interface.

Double click on the selected Layer and rename the layer as ‘'''Reference'''’. 

|- 
|| Point out imported image >> '''Menu bar''' 

>> Click on '''Object''' >> 

Click on '''Fill and Stroke '''

||This image is for reference so you can decrease its '''Opacity'''.

To decrease the opacity, go to the''' Object''' menu on the '''Menu bar.'''

Click on ''' Fill and Stroke'''.
|- 
|| '''Fill tab '''>> Change '''Opacity.'''
|| '''Fill and stroke '''window opens on the right side of the Interface.

Let us now adjust the '''Opacity'''.

Drag the opacity slider located at the bottom of the '''Fill and Stroke''' window.

|- 
|| '''Layers panel''' >> 

Click on lock icon.

|| The reference image must be retained as a reference as long as you work.

Go to the '''Layers''' panel. 

Click the lock icon to lock the reference image layer.
|- 
|| '''Slide Number 7'''

'''Add a Separate Layer'''
|| Please remember to add a separate layer for each part of the drawing.

Rename the layer with a proper name. 

For example. '''Speaker’s cushion-Left''', '''Speaker’s cushion-Right''', '''Headband''' and others.

|- 
|| '''Toolbar''' >> Select the '''Circle tool'''

>>'''Canvas'''>> Draw a circle 

>> '''Fill''' >> '''Opacity''' Change the value to 100.

|| From the '''Toolbox''', Select the '''Circle tool'''.

On the layer of the Speaker’s cushions left,

Draw a circle.


Ensure that the Opacity value is set to 100

|- 
|| '''Canvas''' Draw a circle 

>>'''Fill>> '''Remove the fill''' 

>>''' Scale >> Rotate
|| Go to '''Fill''' tab and remove the '''Fill'''.


Make sure that the '''Stroke''' option is selected in the '''Fill and stroke ''' tab.

Scale and rotate the circle as required.

|- 
|| '''Canvas'''>> '''Edit'''

>> '''Duplicate>'''>> 

select one of the duplicated circles

>> Scale and adjust >> 

Select remaining one of the duplicated circles drag and adjust
|| To make the inside part of the speaker's cushion, adjust the circle as shown.

Go to '''Edit menu '''and click on '''Duplicate ''' to make a copy of the drawn circle.

Duplicate the drawn circle twice. 

The duplicated circles are positioned in the same location as the drawn circle.

Select one of the duplicated circles.

Drag and adjust it as shown.

|- 
|| '''Canvas >> Path >> 

'''Click on '''Difference''' 
|| Now, select the shifted circle and the remaining duplicated circle.

Go to the '''Path''' and click on '''Difference.'''

|- 
|| '''Canvas''' >> 
Duplicate the remaining one of the duplicated circle
>> Scale and adjust 
|| The duplicated circles were used to create the inside part of the speaker's cushion.

Only the initial circle remains on the canvas. 

To create the front part of the speaker's cushion.

Create a duplicate of the initial circle that is still on the canvas.

Scale and adjust as shown. 

|- 
|| '''Canvas''' >> 

Duplicate the adjusted circle twice 

>> Move and adjust one of the duplicated circles 

>> Select the adjusted circle and the remaining duplicated circle.

|| Now, let us create the middle part of the speaker's cushion.

Duplicate the adjusted circle twice.

Move and adjust one of the duplicated circles as demonstrated.

Select the adjusted circle and the remaining duplicated circle.
|- 
|| '''Path'''>> Click on '''Union'''
|| Go to '''Path''' and click on '''Union'''.

|- 
|| '''Canvas'''>> ''' Editing nodes'''.
|| Adjust circles by editing the nodes as demonstrated.

|- 
|| '''Canvas'''>> Duplicate the edited shape twice

>> Select one of the duplicated shape

>> Move and adjust as demonstrated.
|| To make the cushion's backside, duplicate the edited shape twice.

Select one of the duplicated shapes.

Move and adjust as demonstrated.
|- 
|| 
|| To get the difference,

Please note:

The shape from which we want to get the difference has to be kept behind the current shape.

|- 
|| '''Canvas ''' >>

Select edited shape and one of the duplicated shape

>>''' Path''' >> Click on''' Difference'''

|| Select the edited shape and the remaining duplicated shape.

Go to '''Path''' and click on''' Difference'''.

|- 
|| '''Canvas''' >> 

Duplicate the shape resulting from the difference.

'''>> Layers panel '''Create a new''' Layer '''named 

'''Speaker cup Left >>

'''Select the '''Layer '''of the duplicated shape from the''' Layers panel'''

>>Drag and drop into the '''Layer''' of the''' Speaker cup Left''' 

>>''' Canvas>>'''

adjust as shown >> 
Duplicate the adjusted shape and edit it for the remaining part of the speaker’s cup.

|| To make the speaker’s cup, duplicate the shape resulting from the difference.

Create a new''' Layer '''named '''Speaker cup Left'''.

Select the '''Layer '''of the duplicated shape from the''' Layers panel'''.

Drag and drop into the '''Layer''' of the''' Speaker cup Left''' 

Go to the '''Canvas''' and adjust as shown.

Duplicate the adjusted shape and edit it for the remaining part of the speaker’s cup.

|- 
|| Cursor on the '''Canvas'''.
|| Now, add new layers to the right side speaker’s cushion and speaker’s cup.

Create the speaker’s cushion and speaker’s cup on the right side as before.
|- 
|| '''Toolbar''' >> '''Bezier tool>> 

Canvas'''>>Draw headband
|| 
Go to '''Toolbox'''. Select the '''Bezier tool'''.

Using the '''Bezier''' tool let us draw the various parts of the headband.

Users can draw the headband using the bezier tool as seen here.

The headband parts will look as shown.
|- 
|| '''Layer panel >> 

'''Select reference image >> 

'''Canvas'''>>Move, scale and adjust >>

'''Fill and Stroke '''>>''' Opacity'''
|| After all the parts are drawn, select the reference image '''Layer'''. 

Click on the lock icon to unlock the '''Layer'''.

Go to '''Canvas.'''

Move, scale and adjust the reference image. 

Make sure to increase the opacity to 100 before adding colors.

|- 
|| '''Canvas''' >>

Select shape one by one >>

Fill colors>>''' Layers panel''' 

>> Arrange layers 

|| Select the shapes of the speaker’s cushions, speaker’s cups, and headband one by one.

Fill the color by''' '''picking a suitable color from the reference image as shown'''.'''

Go to the '''Layers panel'''. 

Arrange layers from the '''Layers panel''' while filling colors as demonstrated.

|- 
|| '''Canvas''' >> 

Select all parts of the drawing >> 

'''Stroke paint''' >>Click on '''No paint

>> Canvas >> '''point towards the gap 
|| Select all parts of the drawing

Go to the '''Stroke paint''' tab.

Click on '''No paint ''' to remove the outlines from drawing.

Check the gaps between the shapes and adjust them.
|-
|| '''Canvas''' >> 

Fill the '''Linear Gradient''' using '''Gradient tool'''.
|| Select the shapes of the speaker’s cushion, speaker’s cup, and headband one by one.

And apply the gradient.

To do so, Select the '''Gradient tool''' option from the '''Toolbar'''.

And Choose the '''Create linear gradient '''option from the '''Tool controls bar.'''

Apply the gradient by choosing a suitable color from the reference image 

Adjust the gradient as demonstrated.

You can use '''Linear gradient ''' or ''' Radial gradient ''' as per the requirement.

This method helps to create depth and gives 3D realistic drawing.
|- 
|| '''Canvas'''
|| For more details, create shadows and highlights using the '''Bezier tool'''. 

|- 
|| '''FIll >> '''Increase '''Blur '''value 

>> '''Layers panel >> 

'''Hide reference layer by clicking on eye icon
|| Now, go to the '''Fill tab.'''

Increase the '''Blur '''value for merging two colors as needed.

Add more details as applicable.


To hide the reference image, go to the ''' Layers panel'''. 

Click on the eye icon of the reference image '''Layer'''. 
|- 
|| '''Layers panel >>

'''Select all the layers '''

>> Object Menu >> 

Group>>Layers panel 

>> '''Double click on the''' Group layer ''' 

and rename it as''' Headphone'''
|| Select all the parts from the '''Layers panel '''at once. 

Go to '''Object''' and click on '''Group.'''

Double click on the '''Group layer''' from the ''' Layers panel''' and rename it as '''Headphone.'''
|-
|| '''Filter >> Shadows and Glows

>>Drop Shadow>> Options >>

'''Adjust the parameters >>

'''Shadow type'''>>'''Outer 

>>Preview>> '''click on the checkbox''' 

>>''' '''Apply'''
|| Go to '''Filters menu'''.

Navigate to '''Shadows and Glows ''' and click on the '''Drop Shadow''' from the submenu.

'''Drop Shadow''' window opens'''.

Click on the '''Options '''and adjust the parameters as shown. 

Make sure the '''Outer''' option is selected from the drop down menu of '''Shadow type'''.

To view the preview, click on the checkbox labeled "'''Live''' '''Preview'''".

Click on '''Apply'''. Close the window.
|- 
|| '''Toolbar >> '''Select 

'''Rectangle tool>> 

Canvas>>'''Draw rectangle on the''' Canvas>> Layers panel>> 

'''Rename the layer and arrange>>Select color from the
'''Palette'''

|| Select''' Rectangle tool '''from the '''Toolbox.'''

Draw a rectangle on the '''Canvas '''as demonstrated.

Rename the''' Layer''' as''' Background '''from the '''Layers panel'''.

Arrange the '''Layer '''behind the''' Layer''' of the head Phone.

Pick color from '''Palette '''as shown.

Now the 3D Drawing of a pair of headphones''' '''is ready.
|- 
|| Point to the headphone
|| Similarly, you can create various other objects using this method.
|- 
||'''Slide Number 8 and 9''' 

'''Summary''' 
|| This brings us to the end of this tutorial.

Let us summarize.


In this tutorial we have learnt to-

* Import a headphone’s picture into '''Inkscape'''
* Use '''Circle tool''', '''Difference '''and '''Union''' options to create speaker’s cups and cushions
* Use '''Bezier tool''' to create headband 
* Create shadows and light using '''Gradient tool''' to bring depth to the drawing
* Create a 3D realistic drawing of a pair of headphones


|- 
|| '''Slide Number 10'''

'''Assignment'''
|| Here is an assignment for you.
* Create the drawing of an ironbox from the image given in the Code files

|- 
|| Completed assignment
|| Your completed assignment should look like this.
|-
||'''Slide Number 11'''

'''About Spoken Tutorial'''

|| The video at the following link summarizes the Spoken Tutorial project.

Please download and watch it.
|-
|'''Slide Number 12'''

'''Workshop'''

|| We conduct workshops using spoken tutorials and give certificates.

For more details, please write to us.
|-
||'''Slide Number 13'''

'''Spoken Tutorial Forum slide'''
||Do you have questions in THIS Spoken Tutorial? 

Please visit this site 

Choose the minute and second where you have the question

Explain your question briefly 

The Spoken Tutorial project will ensure an answer

You will have to register to ask questions
|-
||'''Slide Number 14'''

'''Acknowledgment'''
|| Spoken Tutorial project was established by the Ministry of Education Government of India.
|-
||
|| This tutorial is contributed by Shital Joshi from IIT Bombay.

Thank you for joining.
|-
|}