Difference between revisions of "FreeCAD/C2/Hatch-and-Array/English"
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* '''Windows''' 11 OS and | * '''Windows''' 11 OS and | ||
− | * '''FreeCAD | + | * '''FreeCAD 0.21.1''' |
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− | Click on Create new to start a new drawing. | + | Click on '''Create new''' to start a new drawing. |
Go to '''Draft workbench'''. | Go to '''Draft workbench'''. | ||
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|| Next, let’s add hatches on this rectangle. | || Next, let’s add hatches on this rectangle. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 5''' |
'''What is a Hatch?''' | '''What is a Hatch?''' | ||
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− | |||
|| Open a web browser and go to '''cadhatch.com''' website. | || Open a web browser and go to '''cadhatch.com''' website. | ||
− | |||
|- | |- | ||
|| Cursor on the various '''hatch''' styles. | || Cursor on the various '''hatch''' styles. | ||
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Scroll down. | Scroll down. | ||
− | |||
− | |||
|| Notice several patterns that we can download freely. | || Notice several patterns that we can download freely. | ||
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− | Right click to open the menu and select extract all. | + | Right click to open the menu and select '''extract all'''. |
|- | |- | ||
|| Click on '''extract'''. | || Click on '''extract'''. | ||
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Next, let’s learn about arrays. | Next, let’s learn about arrays. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 6''' |
'''What is an Array?''' | '''What is an Array?''' | ||
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They can be placed along a line, row-wise, column wise, circular and so on. | They can be placed along a line, row-wise, column wise, circular and so on. | ||
+ | |- | ||
||Point to the canvas | ||Point to the canvas | ||
||I have deleted all the objects on the canvas. | ||I have deleted all the objects on the canvas. | ||
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|- | |- | ||
|| | || | ||
− | || If desired | + | || If desired save your work and exit '''FreeCAD'''. |
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 7''' |
'''Summary''' | '''Summary''' | ||
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* About hatch lines | * About hatch lines | ||
* About arrays | * About arrays | ||
− | * Added various types of | + | * Added various types of arrays |
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 8''' |
'''Assignment''' | '''Assignment''' | ||
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Create hatches as seen here. | Create hatches as seen here. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 9''' |
'''Assignment''' | '''Assignment''' | ||
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|| Create an array as seen here. | || Create an array as seen here. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 10''' |
'''Spoken Tutorial Project''' | '''Spoken Tutorial Project''' | ||
Line 471: | Line 468: | ||
Please download and watch it. | Please download and watch it. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 11''' |
'''Spoken Tutorial workshops''' | '''Spoken Tutorial workshops''' | ||
Line 484: | Line 481: | ||
Please write to us. | Please write to us. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 12''' |
'''Forum for specific questions:''' | '''Forum for specific questions:''' | ||
|| Please post your timed queries in this forum. | || Please post your timed queries in this forum. | ||
|- | |- | ||
− | || '''Slide Number | + | || '''Slide Number 13''' |
'''Acknowledgement''' | '''Acknowledgement''' |
Revision as of 13:20, 8 December 2023
Title of script: Hatch and Array
Author:
Keywords: Freecad, hatch, array, cadhatch site, about hatching, rectangular array, polar array, circular array, path array, video tutorial.
Visual Cue | Narration |
Slide Number 1
Title Slide |
Welcome to the tutorial on Hatch and Array. |
Slide Number 2
Learning Objectives
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In this tutorial, we will learn to,
|
Slide Number 3
System and Software Requirement |
To record this tutorial, I am using
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Slide Number 4
Pre-requisites
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To follow this tutorial,
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Open FreeCAD.
Click on Create New. Go to Draft workbench. Select Orthographic and top view.
|
Open FreeCAD.
Go to Draft workbench.
Select the rectangle tool and draw a rectangle on the canvas. |
Select the rectangle and click on the clone tool. | Select the rectangle and click on the clone tool. |
Cursor on the canvas.
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A clone will get created which is not separately visible.
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Select the new object, click on move tool.
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Select this new object and move it as desired.
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Next, let’s add hatches on this rectangle. | |
Slide Number 5
What is a Hatch? |
Cross sections of a drawing are filled with thin parallel equally spaced lines.
|
Open a web browser and go to cadhatch.com website.
|
Open a web browser and go to cadhatch.com website.
|
Cursor on the various hatch styles.
|
Notice several patterns that we can download freely.
|
Scroll down and Click on the parallel hatch pattern. | Click on it and a new page loads with several parallel styles. |
Click on the very first one to download it. | I will click on the very first one to download it. |
Cursor on screen. | For some of you the Download may start automatically.
|
Show the downloaded file. | Next we have to extract the files from the zip archive. |
Open the file manager and select the downloaded zip file. | Open the file manager and select the downloaded zip file.
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Click on extract.
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Click on extract.
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Cursor on the extracted files. | Notice 2 files in it. |
Cursor on the files. | One has a .pat extension and the other is a text file with details about the hatch. |
Open the text file and cursor on the file text.
|
Let’s open the text file, notice a 45 degree angle.
|
Go back to Freecad. | Go back to Freecad. |
Select the rectangle.
|
Select the rectangle.
Select all the edges. Click on the upgrade tool to change to wireframe |
Click once on upgrade to change the object to face mode. | Click again on upgrade to change to face mode.
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Select the face and
click on the hatch tool. |
Select the face and change the style to wireframe.
Select the face and click on the hatch tool. |
Cursor on the left panel.
|
The left panel mode changes.
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select the extracted .pat file in the dialog box. | Navigate through the dialog box and select the extracted .pat file as seen. |
Cursor in the rectangle. | We don’t notice many hatch lines in the rectangle now. |
For scale type 1 and press Enter. | For some of you the scale may be already at 1.
We can change the scale and rotation angle of the hatch as desired. |
Cursor on the rectangle. | Notice that more hatch lines appear in the rectangle now. |
Pause the video and change the spacing, line style and angle. | |
Cursor on the hatched lines. | Practice to create various hatching styles.
|
Slide Number 6
What is an Array?
|
Next let's learn about arrays.
Array is specified number copies of an object placed in a pre-defined order.
|
Point to the canvas | I have deleted all the objects on the canvas. |
Let's draw a rectangle to demonstrate arrays. | |
Click on the the non-hatched rectangle. | I will select the non-hatched rectangle. |
Click on the array tool in the modification panel.
|
Then click on the array tool in the modification panel.
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Cursor on the left panel. | The left panel properties change and it is for a rectangular array. |
For number of elements in x, y and z, type 5 each. | For the number of elements in x, y and z, I will enter 5 in each as seen. |
Type 10 for X interval, and press Enter.
|
For the X interval, I will type 10 and press the Enter key.
|
Scroll to the top of the left panel and click on Ok. | Scroll to the top of the left panel and click on Ok to see the created array. |
Zoom out as needed to on the canvas. | |
Cursor on the canvas. | Learners can pause the video.
|
Next let’s learn about polar array. | |
Create a circle on the canvas with 25 mm radius. | First create a circle on the canvas with 25 mm radius as seen. |
Draw a line to represent the radius.
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Then, draw a line to represent the radius.
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Select this line and go to the array tool. | Select this line and go to the array tool. |
Choose the Polar array option. | This time choose the Polar array option. |
Cursor on the left panel.
|
Again, the options in the left panel changes.
Do not press the Enter key. |
Move the cursor to the circumference of the circle to locate the center of the circle. | Move the cursor to the circumference of the circle to locate the center of the circle.
|
Click on it and notice that the circle is equally divided into 12 sections. | Click on it and notice that the circle is equally divided into 12 sections. |
Select the circle and the circular array. | Next select the circle and the circular array on the canvas. |
Click on the array tool and select the circular array option. | Click on the array tool and select the circular array option. |
Cursor on the left panel. | On the left panel several properties are seen for this array. |
Cursor on the various options. | Radial distance, tangential distance, Number of circular layers and symmetry can be changed. |
Type 100 for radial distance.
Type 50 for tangential distance. Type 3 for circular layer. |
I will change it to 100, 50 and to 3 layers.
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Click on Ok.
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Click on Ok.
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Cursor on the canvas. | Learners can pause the video.
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Next we will create a path array. | |
Select the circle and then the non-hatched rectangle. | I will select 2 objects from the canvas.
Let's draw a rectangle. Hold down the control key when selecting more than one object.
|
Go to the array tool and choose the path array. | Then, go to the array tool and choose the path array. |
I will leave the default options as is. | |
Cursor on the movement. | Notice that the circle which was selected first moved towards the rectangle. |
Scroll down the property tab in the left panel to counts.
Cursor on the canvas. |
Scroll down the property tab in the left panel to counts.
|
If desired save your work and exit FreeCAD. | |
Slide Number 7
Summary
|
Now let's summarize.
|
Slide Number 8
Assignment |
For assignment activity, please do the following.
Create hatches as seen here. |
Slide Number 9
Assignment |
Create an array as seen here. |
Slide Number 10
Spoken Tutorial Project
|
This video summarizes the Spoken Tutorial Project .
|
Slide Number 11
Spoken Tutorial workshops
|
The Spoken Tutorial Project team,
Please write to us. |
Slide Number 12
Forum for specific questions: |
Please post your timed queries in this forum. |
Slide Number 13
Acknowledgement |
The Spoken Tutorial Project was established by the Ministry of Education Government of India. |
Thank you for joining. |