Narration

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Welcome to the tutorial on <b>Basic Orthographic Drawing.</b>

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In this tutorial, we will learn to,

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Set user preference

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Draw 2D objects with <b>Draft workbench</b>

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Draw a line

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Use snap tools

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Snap a line to the end point of a line

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About Draft modification tools and

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Move and copy an object

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To record this tutorial, I am using

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<b>Windows 11 </b>OS and <b>FreeCAD version 0.21.1</b>

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To follow this tutorial,

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Learners must be familiar with the <b>FreeCAD</b> interface.

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For pre-requisite tutorials, please visit this site.

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I have opened the <b>FreeCAD</b> interface.

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To create a new exercise, click on <b>File</b>, <b>New</b>.

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The <b>Workbench </b>option on the top shows <b>start</b>.

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In the menu option on top, select <b>Draft workbench</b>.

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The interface menu options change.

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Go to <b>View </b>then <b>Toolbars</b> in the menu.

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Make sure that all the tool bar options are enabled in the list.

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If any option is not enabled click on the left side to enable it as seen.

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<b>Macro</b> option allows the user to write and install own features.

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All menu buttons may not be seen on the top as in the video.

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If so, drag and rearrange them to make them visible for future use.

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Now click on <b>Edit</b>, <b>Preferences</b>.

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<b>Preferences</b> window opens.

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Go to the <b>General</b> tab.

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Ensure that the styles are appropriately selected .

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Now choose the <b>units tab</b>.

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From here you can change the unit system that you desire.

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For the <b>unit system</b>, I will choose <b>Standard</b>.

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I will keep the <b>number of decimals</b> as 2.

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You may change this later on.

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Next, click on the <b>Draft</b> option on the left side panel.

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In the <b>General setting</b> tab, make sure the default working plane is selected.

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I will select <b>XY top</b>.

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We can also select this view using the <b>gizmo</b> on the interface as seen here.

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Internal precision level can be changed based on user preference.

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I will leave it as is for now.

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Now go to <b>Grid and snapping</b> tab.

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I will uncheck the <b>Grid</b> options as seen here for ease of drawing later on.

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Click on <b>Apply</b> to accept the changes and then on <b>OK</b> to close the window.

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Now click on <b>View</b>, then on <b>Panels</b>.

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Make sure <b>Report View</b> and <b>Combo view</b> are checked or selected.

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Stepwise procedure and any bugs will be shown here by <b>FreeCAD</b>.

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<b>Model</b> shows the tools used during drawing.

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The <b>Property View</b> window shows the properties of the object that can be changed.

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Click on the <b>cube</b> or the gizmo icon as seen.

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The drop down prompts the user to make 2D, 3D or another selection.

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Select <b>orthographic</b> or <b>isometric</b> as desired.

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<b>Orthographic</b> gives 2D drawing and <b>isometric</b> is projection of 3D drawing.

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For now I will select <b>Orthographic</b>.

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I will also select the top view.

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These can also be accessed from the View menu on the top.

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First click on the <b>Snap ortho</b> tool.

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When the snap tool is enabled the icon background changes to cyan color.

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Now let’s draw a Line on the canvas.

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Snap tools aid the user in selecting specific points on an object.

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They can be start point, end point, mid point, intersection or perpendicular.

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Make sure that the <b>Lock icon</b> is disabled.

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Now the <b>Report view panel</b> prompts the user to pick the first point.

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The options in the <b>Draft creation tools </b>can be used to choose <b>Line</b>.

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Notice the changes on the panels on the left side when we click on the line tool.

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Left click on the canvas, hold and drag to draw a line as desired.

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Click again to end the line.

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You can change the length of the line from the task tab in the <b>Combo</b> <b>View</b> panel.

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At this time notice the coordinates on <b>Combo View</b> changes.

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Since this is a horizontal line, only x coordinate changes.

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The exact dimension of the line can also be specified here.

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You may pause the video and do the following.

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Add another line by giving x coordinate dimension as 100 mm.

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Notice a blue small + sign, which indicates that the <b>snap ortho</b> is on.

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It aids in drawing a horizontal or vertical line.

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Let’s draw another line which will snap to the end of the first line.

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Next enable the <b>Endpoint</b> and <b>Midpoint</b> icons in snap tools.

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Now place the cursor close to the end of the first line.

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Notice the white dot at the end of the line.

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Now the snap tool will snap the new line to this point.

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To save the file, click on <b>File</b>, <b>Save</b>.

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Now the two line objects can be seen in the list.

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To select an object click on it and notice the green outline.

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We can also select an object from the <b>Combo View</b>.

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Next, we will use <b>Draft modification tools</b>.

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To move the object, first click on the 4 direction arrow.

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Many parameters can be tracked during the move in the <b>combo view</b> panel.

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First click on the object and move the mouse to the new location.

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Left click again to the desired location, to move the object.

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To make a copy of an object, first select it.

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Click on the check box for <b>Copy</b>.

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Notice the duplicated object name appears on the <b>combo view panel</b>.

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The new object is superimposed on the parent and is indistinguishable.

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Now select it and click on the <b>Move</b> tool.

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Then, place the cursor on the object and move it to the desired location.

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Save your work as needed.

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Use <b>File</b>, <b>Exit</b> to close <b>FreeCAD</b>.

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Now let's summarize.

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In this tutorial, we,

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Set user preferences before starting to draw

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Used <b>Draft</b> workbench to draw a line

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Used <b>snap tools</b> to snap a second line to it’s endpoint and

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Moved and copied an object

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For assignment activity, please do the following.

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Draw a rectangle

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Draw a square with a side of 30 mm

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Next let’s construct concentric circles with the following steps.

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Draw a circle

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Click on <b>Snap Center (ON)</b>

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Click on <b>Point icon</b> in <b>Draft creation tools</b>

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Move cursor close to the circle and notice the center point appear

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Then left click to form the next circle

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Choose the circle icon again

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Move the cursor on canvas and resize the 2nd circle

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This video summarises the <b>Spoken Tutorial</b> Project .

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You may download and watch it.

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The <b>Spoken Tutorial Project </b>,

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conducts workshops and

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gives certificates.

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Please write to us.

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Please post your timed queries in this forum.

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<b>The Spoken Tutorial</b> Project was established by the Ministry <b>of Education, Government of India</b>.

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Thank you for joining.

