Commit f38c1d1b by Ashish Sawhney

week3

parent 6783c421
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......@@ -90,7 +90,7 @@ By the computer controlled machining week, I got ambitious, and with my little C
Next, I tried **SketchUp**. Reason I started learning SketchUp is I wanted to make a chess set for the molding and casting week, and when I tried to look up some tutorials to do it, the first few I came across had modelled chess pieces in SketchUp. I first created a pawn following a tutorial, and it was not hard. I then created a king, a rook, a bishop, and a queen (Figure 3.4). All five are radially symmetric for the most part (except for special features in the king and the bishop), so the revolve tool was very helpful. The only piece I could not create was a knight. Anyway, it is a work in progress. Design file of all pieces (minus a knight) is appended ([ChessPieces.skp](../../designs/week3/ChessPieces.skp)).
![](../images/week03/ChessPieces.png)
![](../images/week03/ChessPieces1.png)
From SketchUp I moved to **Fusion 360**, and used it to design a 2-part mold for a pawn (Figure 3.5) as part of molding and casting week's assignment. Design files of the mold are linked in documentation for the same week. I also used Fusion 360 to design a hollow sphere during the 3D scanning and printing week. The sphere was designed as follows: Create a Center Diameter Circle with a diameter of 75 mm centered at the origin > Using the Line tool, draw a diameter splitting the circle in to 2 halves > Using the Trim tool, erase the circumfrence of one half of the circle > This leaves you with a closed semi-circle > Using this closed semi-circle as a planar face, Revolve it around the diameter (used as an axis) > This creates a hollow sphere centered at the origin, and with a diameter of 75 mm.
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