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→SolidWorks
==SolidWorks==
==SolidWorks==
<strong>Step 1:</strong> Open SolidWorks 2020, and select a new part. Don't forget to save your file frequently as you go. In the bottom-right corner of your Solidworks window, change the units to MMGS (millimeter, gram, second).
<strong>Step 1:</strong> Open SolidWorks 2020, and select a new part. Don't forget to save your file frequently as you go. In the bottom-right corner of your SolidWorks window, change the units to IPS (inch, pound, second).
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<strong>Step 2:</strong> Select the Front Plane in the design tree (the left column on your screen) to begin your sketch. Click on the Sketch tab above and click Sketch.
<strong>Step 2:</strong> Select the Front Plane in the design tree (the left column on your screen) to begin your sketch. Click on the Sketch tab above and click Sketch.
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<strong>Step 3:</strong> Make a vertical line starting from the origin. Then use the smart dimension tool to make it 3mm tall. Follow the same process to draw 2 more lines stacked on top of one another, and make them the lengths shown in the screenshot below. Make the inner line a construction line by clicking on it (after exiting the Smart Dimension tool) and hovering over the icons until you find the "Construction Geometry" icon. After clicking it, the line will become dashed.
<strong>Step 3:</strong> Draw a rectangle with its bottom-left corner coincident with the origin. Use the Smart Dimension tool to make this rectangle a square with 3/4-inch sides.
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<strong>Step 4:</strong> Go to the Features tab and click on Extruded Boss/Base. Click on the Reverse Direction icon underneath the Direction 1 section in the left column to ensure that the square is extruded in the negative "y" direction. Set the depth to 9.5 inches, and click the green checkmark when you are finished.
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<strong>Step 5:</strong> You should now have a solid square column. On the Features tab, click on Reference Geometry and select a Plane. The left column will ask for three reference points; choose the origin, the diagonal point across the 3/4-inch square, and the point at the bottom of the extrusion as shown in the screenshot. If you imagine the square column as a really tall sandwich with the 3/4-inch squares at the top and bottom acting as the pieces of bread, the reference plane we are creating acts as the knife that cuts the sandwich diagonally into two triangular sandwich halves. Click the green checkmark when you are finished.
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<strong>Step 6:</strong> We are now going to draw a sketch on the plane we just created. With the plane selected, go to the Sketch tab and click on Sketch. Draw a rectangle starting from the origin to the opposite diagonal edge. Use the Smart Dimension tool to set the vertical side of the rectangle to 3/4 inch. Now would be a good time to double-check that your drawing is fully defined in the bottom right corner of the screen. You can make this rectangle a construction rectangle
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<strong>Step 7:</strong> From the bottom right corner of the rectangle, draw a vertical line along the edge of square column. Use the Smart Dimension tool to set the length to 3/4 inch.
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<strong>Step 8:</strong> Draw a diagonal line from the vertical line to the midpoint of the rectangle's bottom line as shown in the screenshot.
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<strong>Step 9:</strong> Finally, to ensure SolidWorks knows we are creating a closed area, draw a line from the midpoint of the rectangle's bottom line to the edge of the rectangle.
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<strong>Step 10:</strong> This next step will be a lot easier if you select the plane and click on the Section View icon at the top of your drawing space. This will allow you to see a cross-section of the square column and select the enclosed area in the sketch easier. Click the green checkmark. SolidWorks often indicates enclosed areas in a sketch with darker shading as shown in the screenshot below (hence the darker triangle that we just drew).
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<strong>Step 11:</strong> .
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<strong>Step 12:</strong> .
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<strong>Step 13:</strong> .