Once you successfully exported the file, go to cura and import all the coin files from everyone at your table into the build area by selecting file-> load model files… If everything worked well your model will be imported into Cura. Depending on when you start printing you may be able to collect your coin by the end of the day if not, you will be able to collect your coins from the engineering building foyer tomorrow. To do this give your '.dae file from sketchup to one person at your table, so they can all be printed from one gcode file later. Step 5: Saving and Exporting the Modelįor this demo we will be doing batch prints of several coins at a time to speed up the process. You can scale by negative amounts, which will invert the object in the direction of scaling and scale by the value. Scaling by a value from 0-1 will shrink the model, greater than 1 will grow it. The scale factor can once again be typed to scale by a precise amount. Using a corner will scale all three faces at once in a similar fashion, and moving an edge will scale the two faces directly connected to that edge. Using a centre cube will only effect one face at a time. So for example selecting a cube in the centre of a face will move that face towards or away from the opposite cube, scaling the length, or width, or height individually. So moving one of these will scale the model in whatever direction taking the opposite as a fixed point. These cubes are associated with their corresponding opposite cube. Using this feature adds green cubes to the six faces of the text object. We can also scale the text, this can be done using the scale feature, also located in the ‘getting started’ toolbar. These unfortunately are not selectable by mouse click, but rather can be accessed only by typing into the keyboard immediately after doing an operation, and will only effect the immediately last operation. The measurement values are seen in the bottom right of the screen. The text object then shifts to 4mm from the start position in the direction I moved it in. For example, if say, we want to move in the x direction 4mm, I would manually move the object in the direction I want to go, place it some distance from the start point on this line, then type in 4 and hit enter. The distance of a single move can be done by eye or more precisely by typing the distance, which will be in whatever standard units you chose as a template on start up, immediately after you make a move. So to position the text we will do so by moving in a series of individual x and y direction moves. Similarly of the y axis when the line turns green. Moving in the x direction is indicated when the line showing the direction of translation of the text object in the workspace turns red. This is very useful in this case as we don’t want to move in the z direction, only in the xy plane. Note that when you are using this feature it can move in any direction you want, but the program will also snap to the x, y and z axis when you approach moving in these direction. To move the text around, use the ‘Move’ feature. Like before if you don’t have them available you’ll need to enable the toolbar, which in this case is the ‘getting started’ toolbar. This can be changed using the move and scale features. You may find now that the text isn’t the right size or in the correct position. This is so as you have a reference in 3d space as to where it is and can be moved from here. It is best to place this initially at the origin. Once you generate the text you have the immediate option of putting it into the workspace. Once you are happy with the settings you can hit place which generates the text in the workspace. To be flush with the coin it is best to keep this around the 1.5mm mark. This is how far the text will be extruded in the z axis. This will allow you to edit a value field below that of the height field. To make it 3d you need to make sure the extrude option is checked. A value of 10mm is a good starting point but this can be scaled later if it is not correct. The text box also has a value labelled as height, this is a measure of how tall the text is, in terms of xy axis. This is because the printer will struggle to print the small details if you have a large amount of characters in your text. It is recommended that you keep the text as short as possible, your initials would be a good example. This is the text that we will place on the coin. You will then be presented with a dialogue box asking you to enter text. This will add a set of 5 features at the top of the screen. To do this click on View -> Toolbars… and enable the ‘Construction’ toolbar. It may be already available towards the top of your screen but if not you probably need to enable the specific toolbar. To do this we will use a feature called 3d text. For this intro to CAD we will attempt to write some 3d text that will be placed on the surface of the coin.
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