Tutorial: How to create Parametric 'Mobius_strip' model

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Step 1:
Step1
Please turn ON the next option.Parameters and Measure-Knowledge-Parameter Tree View-'With value':ON
Infrastructure-Part Infrastructure-Display-'Parameters':ON -
Step 2:
Step2
Create two parameters of type Real.'Twist_Count' : 1
'Hole_Count' : 13 -
Step 3:
Step3
Create Sketch, and, please make a semicircle.
The semicircular radius, please use 'Edit Formula'-Formula Editor-
Hole_Count *2.5mm -
Step 4:
Step4
Create Line.Point:Sketch.1\Vertex
Direction:yz plane
Start:-20mm
End:20mm -
Step 5:
Step5
Create Axis System. -
Step 6:
Step6
Rotate to 'Sketch.1'.Element:Sketch.1
Axis:Axis System.1\Z Axis
Angle:180deg -
Step 7:
Step7
Create Sweep Surface.-Swept Surface Definition-
Profile:Line.1
Guide curve:Sketch.1
Surface:xy plane
Angle: 'Law' click-Law Definition-
Law type:Liner
Start value:0deg
End value: right-click. select 'Edit formula'-Formula Editor-
(180deg*0.25)*Twist_Count -
Step 8:
Step8
Please perform copy & paste of three times of 'Sweep.1'.
Please revise the following.-Sweep.2-
Guide curve:Rotate.1
Start value(Law-Formula Editor):(180deg*0.25)*Twist_Count
End value(Law-Formula Editor):(180deg*0.5)*Twist_Count-Sweep.3-
Start value(Law-Formula Editor):(180deg*0.5)*Twist_Count
End value(Law-Formula Editor):(180deg*0.75)*Twist_Count-Sweep.4-
Guide curve:Rotate.1
Start value(Law-Formula Editor):(180deg*0.75)*Twist_Count
End value(Law-Formula Editor):(180deg*1)*Twist_Count -
Step 9:
Step9
Create Sphere.Center:sketch.1\vertex.2
Sphere axis:Axis System.1
Sphere radius:15mm -
Step 10:
Step10
Create Circular Pattern.Parameters:Complete crown
Instance(s)(Formula Editor):int(180deg/`Geometrical Set.1\CircPattern.1\AngularSpacing` )+4
Angular spacing(Formula Editor):720deg/(Hole_Count)
Reference element:xy plane
Object:Sphere.1 -
Step 11:
Step11
Create Join.Elements To Join:Sphere.1 CircPattern.1
Check connexity:Off -
Step 12:
Step12
Rotate to 'Join.1'Element:Join.1
Axis:Axis System.1\Z Axis
Angle(Formula Editor):`Geometrical Set.1\CircPattern.1\AngularSpacing` *-1 -
Step 13:
Step13
Please perform copy & paste of three times of 'Rotate.2'.
Please revise the following.-Rotate.3-
Element:Rotate.2
Angle(Formula Editor):`Geometrical Set.1\CircPattern.1\AngularSpacing`*(int( Hole_Count /4)*1+1)-Rotate.4-
Element:Rotate.2
Angle(Formula Editor):`Geometrical Set.1\CircPattern.1\AngularSpacing`*(int( Hole_Count /4)*2+1)-Rotate.5-
Element:Rotate.2
Angle(Formula Editor):`Geometrical Set.1\CircPattern.1\AngularSpacing`*(int( Hole_Count /4)*3+1) -
Step 14:
Step14
Create Split-Split.1-
Element to cut:Sweep.1
Cutting elements:Rotate.2-Split.2-
Element to cut:Sweep.2
Cutting elements:Rotate.3-Split.3-
Element to cut:Sweep.3
Cutting elements:Rotate.4-Split.4-
Element to cut:Sweep.4
Cutting elements:Rotate.5 -
Step 15:
Step15
Create ThickSurface(PartDesignWB)