View source for FreeCAD/C3/Isometric-Drawing/English

'''Title of script''': '''Isometric Drawing'''

'''Author: ''' Rani Parvathy

'''Keywords: '''Freecad, isometric, cube, cylinder, cone, box selection, grouping, export, video tutorial.



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

'''Title Slide '''
|| Welcome to the tutorial on '''Isometric Drawing'''.
|-
|| '''Slide Number 2'''

'''Learning Objectives'''



|| In this tutorial, we will learn to,

* Select isometric view
* Draw a cube
* Draw a cylinder
* About box selection
* Draw a cone
* Group entities and
* Export files in various formats


|-
|| '''Slide Number 3'''

'''System and Software Requirement'''



|| To record this tutorial, I am using


* '''Windows 11''' OS and 
* '''FreeCAD version 0.21.1'''


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

'''Pre-requisites'''


'''https://www.spoken-tutorial.org'''



|| To follow this tutorial, 
* Learners must be familiar with the '''FreeCAD''' interface.
* For pre-requisite tutorials, please visit this site.


|-
|| Open '''FreeCAD'''. 


Click on '''Create new'''.
|| Open '''FreeCAD'''.


Click on '''Create new''' to start a new file.
|-
|| Click on '''View '''and select '''Standard View'''.


Choose '''Axonometric '''from the menu and then select '''Isometric'''.
|| Click on '''View '''and select '''Standard View'''.


Choose '''Axonometric '''from the menu and then select '''Isometric'''.
|-
|| Cursor on '''gizmo'''.
|| Notice that the '''gizmo '''changes to isometric in the canvas.
|-
|| Curson on '''Auto '''icon.
|| Click on the '''Auto '''icon on the top.

It is the tool to select the current working plane.
|-
|| Click on '''Top (XY)''' option.
|| Notice the changes in the left side panel.


Click on the Top''' (XY)''' option.

For isometric drawing, the working plane must be the '''XY plane'''.
|-
|| '''Slide Number'''

'''Isometric'''
|| '''Isometric '''view is a 2D representation of a 3D object aligned to 3 axes.
|-
|| Create a rectangle and select it.
|| Let’s draw a '''cube'''. 


Create a rectangle and select it.
|-
|| Select '''Property tab'''.


Change the '''Display mode''' to '''wireframe'''.
|| Go to the '''Property tab''' in the left panel. 


Change the '''Display mode''' to '''wireframe'''.
|-
|| Scroll down.


Enter 30 for both '''height '''and '''length'''.
|| Scroll down to the height and length form.


I will make this into a square of 30 x 30 mm in dimension.
|-
|| Make sure '''snap end''' and '''snap ortho''' tools are enabled.
|| Make sure '''snap end''' and '''snap ortho''' tools are enabled.
|-
|| Draw a '''line '''from one of the corners of the square for some length.
|| Draw a '''line '''from one of the corners of the square for some length.
|-
|| Select this line.

For '''length''' type 30 mm.
|| Select this line and change its length to 30 mm as before.
|-
|| Cursor at the free end of the line and then on the cube.
|| Next let’s make the top face of the cube from the existing face.
|-
|| Select the rectangle object.
|| First select the rectangle object, which has dimensions of a square.
|-
|| Click on the '''Move tool'''.


Check the box for '''Copy'''.
|| Click on the '''Move tool'''.


Check the box for '''Copy'''.
|-
|| Click on one of the corners of the rectangle, hold and drag it upwards.
|| Click on one of the corners of the rectangle, hold and drag it upwards.
|-
|| Place it at the end of the line object, when you see the white dot.


Click to set the position.
|| Place it at the end of the line object, when you see the white dot.


Then click to set it’s position. 
|-
|| Cursor on the cube that is being constructed.
|| Create the remaining edges of the cube by joining the edges as seen.
|-
|| Click on the '''line tool'''

Click on the corners of the top face.


Move cursor to the bottom face corner.

Snap line to corner (white sign), click to set the line.
|| Click on the '''line tool'''.


Click on the corners of the top face.


Then move to the bottom face corner, and snap the line to the corner.


When you see the white sign click to set the line.
|-
|| 
|| Next let’s make a cylinder.
|-
|| Click on the '''circle tool'''. 

Draw a circle on the '''canvas'''.

Select the circle.

Uncheck the box for '''Filled''' in the left panel.
|| Click on the '''circle tool''', and draw a circle on the '''canvas'''.


Select the circle and uncheck the box for '''Filled''' in the left panel.
|-
|| Type a radius of 30 mm and press the '''Enter''' key.
|| Type a radius of 30 mm and press the '''Enter''' key.
|-
|| Cursor on the circle.
|| Notice that the circle appears as an '''ellipse '''in the '''isometric '''view.
|-
|| Cursor on '''snap center''' and '''snap ortho''' tool icons.
|| Make sure that the '''snap center''' and '''snap ortho''' tools are enabled.
|-
|| Click on the '''line tool'''.
|| Click on the '''line tool''' again.
|- 
|| Draw a line from the '''center '''of the circle to upward direction.
|| Draw a line from the '''center '''of the circle to upwards.
|- 
|| Scroll down to the '''length '''form. 


In the '''property '''tab in '''data '''panel.
|| In the '''property '''tab in the data''' '''panel, scroll down to the '''length ''' form. 

|- 
|| Type 90 for '''length''' and press the '''Enter '''key.
|| Type 90 for the '''length '''of the cylinder and press the '''Enter '''key.
|- 
|| Go to '''Draw style''' pulldown in the '''object style''' section.


Change the line type to '''dashdot '''from the menu.
|| Go to '''Draw style''' pulldown in the '''object style''' section.


Change the line type to '''dashdot '''from the menu.
|- 
|| Now select the '''circle''' and click on the '''move tool'''.


Check the '''copy '''checkbox, click on circle, hold, move and place it on top. 
|| Now select the '''circle '''and click on the '''move tool'''.


Check the '''copy '''checkbox.


Click on circle, hold, move and place it on top. 
|- 
|| Click to set the position of the top face of the cylinder.
|| Click to set the position of the top face of the cylinder.


Observe the white dot sign of the snap tool at the set position.
|- 
|| Enable the '''snap angle''' tool.
|| Enable the '''snap angle''' tool next.
|- 
|| Choose the '''line tool'''. 


Draw a line from the top face to the bottom face of the cylinder.
|| Choose the '''line tool'''. 


Draw a line from the top face to the bottom face of the cylinder.
|-
|| Draw one more line between the two circles.
|| Do this to form 2 projectors for the cylinder as seen.
|-
|| Move mouse scroll to pan on the canvas.
|| You may not have sufficient space on the screen.

|-
|| Show pan and create space on the canvas.
|| Place the cursor on the canvas and use the scroll wheel to pan.
|-
|| Click on '''Circle tool'''.


Click on '''Edit''', '''box selection'''.
|| Next let’s draw a '''cone'''.


Click on '''Edit''' in the top menu and choose '''box selection'''.
|-
|| Move the cursor to the canvas.


Click and hold the left mouse and select all parts of the cylinder.
|| Move the cursor to the canvas and notice the small selection box.


Click and hold the left mouse and select all parts of the cylinder.
|-
|| All the entities for cylinder are selected.
|| Notice that 5 entities are checked in the left hand panel and in the canvas.
|-
|| Click on the '''move '''tool and check the box for '''Copy'''.
|| Click on the '''move '''tool and check the box for '''Copy'''.
|-
|| Drag out a copy of the entities together in the canvas.
|| Drag out a copy of the entities together in the canvas.
|-
|| Select and delete the top face and the 2 side projector lines.
|| Select and delete the top face and the 2 side projector lines.
|- 
|| Enable the '''snap angle tool'''.


Then click on the '''line tool'''.
|| Enable the '''snap angle tool'''.


Then click on the '''line tool'''.
|-
|| From the top of the 90 mm line, draw a projector line to the circle.
|| From the top of the 90 mm line, draw a projector line to the circle.
|-
|| From the top of the 90 mm line, draw a projector line to the circle.
|| Repeat to add a projector line on the other side as well.
|-
|| Click on the '''ellipse''' tool.
|| Next let’s draw an ellipse.


Click on the '''ellipse''' tool.
|-
|| Move the cursor to the canvas, click hold and drag to draw '''ellipse'''.
|| Move the cursor to the canvas, click hold and drag.


Now the '''ellipse''' may look like a rectangle to the human eye.
|-
|| Type 50 in the form for Dx, press the '''tab''' key and type 60 for Dy.


Press the '''Enter''' key. 
|| In the left hand panel, change the values for delta x('''Dx''') and delta y('''Dy''').


Type 50 in the form for delta x(Dx), press the '''tab''' key and type 60 for delta y(Dy).


Press the '''Enter''' key. 
|-
|| Press the '''Enter''' key.
|| The value for delta z(Dz) gets highlighted. 


We will leave the delta z(Dz) as is at 0 mm and press the '''Enter '''key.


Notice the '''ellipse''' on the screen.
|-
|| Click on '''Edit''', '''box selection''' and select the cone.
|| Now do a '''box selection''' for the entities in the '''cone'''.

That is I am selecting all the entities that make up the cone.
|- 
|| Cursor on any name of the selected entities in left panel.


Right click to open the context menu and select '''utilities'''.
|| Move the cursor to the multiple selected objects on the left panel.


Right click to open the context menu and select '''utilities'''.
|-
|| Select '''Add a named group''' option.


Type '''cone''' in '''Add a group''' dialog box.
|| Select '''Add a named group''' option.

Dialog box opens.

'''Add a group''' dialog box appears.


I will type '''cone''' for the new name.
|-
|| Cursor on '''cone'''.


Click on the arrow to show the objects under the cone.
|| A new group named '''cone appears'''.


Click open the tree view for '''cone''' and notice all the selected objects under it.
|-
|| Cursor on canvas.
|| Next, let’s learn to export our drawings to user friendly formats.
|-
|| Select the cylinder using '''box selection '''method.
|| First select the objects that we want to export.


I will select the cylinder using box selection.
|-
|| Click on '''File''', '''Export '''and a dialog box opens.
|| Click on '''File''', '''Export ''' and a dialog box opens.
|-
|| Click on '''type of file''' pulldown.

Scroll to show the various options.


Cursor on '''amf''', '''3mf''', '''Autodesk '''options.
|| Choose the '''type of file''' first. Click on it.

Notice a wide variety of options.


'''amf''' and '''3mf''' denotes '''3D''' and additive manufacturing formats.


The '''Autodesk DWG 2D''' format is for exporting in '''autocad ''' format.
|-
|| Cursor on '''png''', '''svg''', '''pdf '''options.
|| Formats such as images and pdfs are also available for the choice of users.
|-
|| Cursor on '''file name''', '''path '''and '''Save '''option.
|| Give a file name and path of your choice and click on export to save the file.


Pause the video, choose options of your choice and practice exporting.
|-
|| Click on '''cancel''' for now.
|| I will click on '''cancel''' for now.
|-
|| 
|| Save your work if desired and exit '''FreeCAD'''.
|-
|| '''Slide Number 5'''

'''Summary'''



|| Now let's summarize. 


In this tutorial, we learned about,


* '''Isometric''' view
* Drew a '''cube''', '''cylinder''' and a '''cone'''
* About '''box''' selection
* Grouped objects and gave a new name to the group


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

'''Assignment'''



|| For assignment activity, please do the following.


Draw a blender as seen in this image.



|-
|| '''Slide Number 7'''

'''Assignment'''
|| Practice the modification tools learned in this tutorial.



|-
|| '''Slide Number 8'''

'''Spoken Tutorial Project'''



|| This video summarises the '''Spoken Tutorial''' Project .


Please download and watch it.
|-
|| '''Slide Number 9'''

'''Spoken Tutorial workshops'''



|| The '''Spoken Tutorial Project '''team,


<nowiki>* conducts workshops and</nowiki>* <nowiki>* gives certificates.</nowiki>


Please write to us.
|-
|| '''Slide Number 10'''

'''Forum for specific questions:'''
|| Please post your timed queries in this forum.
|-
|| '''Slide Number 11'''

'''Acknowledgement'''
|| '''Spoken Tutorial''' Project is funded by '''MoE, Government of India'''.
|-
|| 
|| Thank you for joining.
|-
|}