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FreeCAD tutorial to create a toilet

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修订版 1 (tree) 2022-04-25 22:54:38 agentkayy

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--- trunk/1-Plunger/Plunger.txt (nonexistent)
+++ trunk/1-Plunger/Plunger.txt (revision 1)
 @@ -0,0 +1,49 @@ 1 +Plunger 2 + 3 +Disclaimer: 4 + All units are based in SI units system (metres, kilograms, seconds and radians). This should be the standard in FreeCAD IMO. 5 + π(pi) is equal to 3.141592653589793 (Double precision) 6 + 7 +Firstly go to Edit->Preferences->General 8 + 9 +Then, 10 + 11 + Switch unit system to MKS (m/kg/s/degree), because this is the closest to SI unit system. 12 + Number of decimal to at least 3, I personally have 6. 13 + Ignore factional inch. 14 + 15 +Click "Apply" then "Ok". 16 + 17 +From the start page, click "Create new..." 18 +Switch to part workbench 19 + 20 +Cup 21 + 1. Click "Creation of parametrized geometeric primitives" 22 + Switch from "Plane" to "Sphere" 23 + Radius of 0.075 m 24 + U parameter of pi * 1rad (click the round f(x) to enter the formula) 25 + V parameter of -pi / 2 * 1rad and pi / 2 * 1rad 26 + 27 + 2. Click "Creation of parametrized geometeric primitives" 28 + Switch from "Plane" to "Sphere" 29 + Radius of 0.065 m 30 + U parameter of pi * 1rad 31 + V parameter of -pi / 2 * 1rad and pi / 2 * 1rad 32 + 33 + 3. Make a cut by selecting the larger half sphere (Sphere) first then the other half sphere (Sphere001) 34 + 35 + 4. Create a tube with 36 + Outer radius of 0.015 37 + Inner radius of 0.01 38 + Height of 0.04 39 + Z = 0.07 40 + 41 + 5. make union with the above cut and tube 42 + 43 + 6. Fillet the selected edge with the edge between the tube and the cut (Edge5) with 44 + radius of 0.02m 45 + 46 +Handle 47 + 1. Create a cylinder with 48 + Radius of 0.015 49 + Z at 0.07