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We need to select the bit that we are going to replicate. By default the 'Geometry' button is selected - see the notes on the image if it isn't - so we can now just select the circle. It should turn red like on my screen.
Innovation Dinner Nigeria, 17 September 2013. Held at the Fourpoints, Lagos. Sponsored by Worldsview
Use the offset too to draw two new lines near the middle of the domino, one on each side of the one you've just drawn.
Click the Offset tool button (or press 'O' on your keyboard) then click the middle line, move your mouse away a little then click again. Do this again to draw another line on the other side of the middle line.
Now use the general dimension tool to re-position the two new lines. Make the distance between each line 0.5mm. The original middle line will not move - as long as it is in the middle of the domino, if you didn't use the snap then it might move!
Your screen should now look like this.
This next bit is tricky - deliberately so, I want to show you how to do a few things that are dead useful - first off is using the offset tool, this lets you recreate a line or shape but in a slightly different position. Second is the construction line tool - this one lets you draw lines that you can use to position other parts of your sketch but won't be used by any extrusions or revolutions - believe me this is useful!
We don't want to add material to the domino, we want to remove some instead, this is dead easy - press the middle of the three blue buttons as shown on the image notes. This switches the extrusion to remove material in the shape of our profile, but cleverly it also reverses the direction as well. Handy!
This time we are going to draw a circle. this is the same process as drawing a rectangle (one click to start, another to stop) but we use the circle tool instead. See if you can find it, then make your screen look like mine.
Now use the Direction 2 button to select the other direction for our array. You will probably have to flip the direction like I had to. See the image for more notes.
Rather than draw four more circles and dimension each of them we are going to draw one and create an 'array' - a quick way to replicate shapes accurately.
Draw another circle in the far right corner, it should be 5mm in diameter, and 5mm from the side and the end. It should look exactly like mine.
Press Escape on your keyboard to ensure you have no tool selected. Now click on the original middle line, it should go red. Now with the line still selected click the 'Construction' button on the top menu, this will turn the line from a solid line into a dashed line.
Check your screen look exactly like mine.
* Read more about the workshop.
* "Autodesk and EA Groom Next Generation of Digital Media Leaders" - CNN Article
Use the General Dimension tool to move the circle to the middle of the rectangle. To do this we need to click three times - once on the long edge of the rectangle (it will turn red when your mouse is over it), then once on the centre of the circle (again it will show up in red when you mouse over) then once more away from the end of the cuboid to place the dimension.
42 steps, what a coincidence! We're finished with the step by step tutorial, if you've done everything correctly then your domino should look like this one. If not then go back to see where you might have made a mistake, feel free to leave a comment if you want help - an accompanying screenshot would help too.
If you found that easy then go ahead an try modelling something else, or make some changes to this domino to make it look like the one in my next slide.