To Prove Pi (22/7) for Any Circle Using Tinkercad & Fusion 360

by Hemant Ghorpade in Workshop > 3D Printing

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To Prove Pi (22/7) for Any Circle Using Tinkercad & Fusion 360

Ring.jpg

How to prove Pi that is ratio of a circle's circumference to diameter using 3D printing? This question provoke to write this instructable. It is proved by taking two examples of 50mm & 60 mm diameter rings that, this ration is 22/7 = 3.14.

Supplies

  1. 3D Printer
  2. 3D Filament
  3. Scale

Creating Ring of Outer Diameter of 50mm

Cylinder_Solid 50x50x2 Hollow 48.8x48.8x2.5mm.png
Align Solid & Hollow Cylinder & Group it.png
Ring of ID 48.8 & OD 50mm.png
Ring of ID 48.8 & OD 50mm_export to Fusion.png
Ring of ID 48.8 & OD 50mm_In Fusion.png

Steps to create ring of outer diameter Of 50mm using Tinkercad & then exporting to Fusion 360 to get perfect circle in 3D Print.

Cutting 50mm Dia. Ring & Measuring Circumference

Cutting_Ring.jpg
50mm Dia. Circle's Circumfarance.jpg
  1. Cutting the ring so that circumference can be measured.
  2. 50mm diameter circles circumference is approximate to 157mm.

Creating Ring of Outer Diameter 60mm

Cylinder_Solid 60x60x2 Hollow 58.8x58.8x2.5mm.png
Align Solid & Hollow Cylinder .png
Group Solid 60mm & Hollow 58.8mm Cylinder.png
Ring OD 60mm & ID 58.8mm.png

Steps to Create ring of outer diameter Of 60mm using Tinkercad & then exporting to Fusion 360 to get perfect circle in 3D Print.

Cutting 60mm Dia. Ring & Measuring Circumference

Cutting_Ring.jpg
60mm Dia.Circle's_Circumferance.jpg
  1. Cutting the ring so that circumference can be measured.
  2. 50mm diameter circles circumference is approximate to 188mm.


Proving the Ratio of Pi

50mm Dia. Circle's Circumfarance.jpg
60mm Dia.Circle's_Circumferance.jpg

Above two examples of 50mm & 60 mm diameter circles ratio of circumference to diameter is 22/7 = 3.14