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How to Make a Gear in Onshape

This wikiHow will teach you how to make a 3D model of a gear using Onshape, allowing you ideally to 3D print the structure. This guide assumes you have used and are comfortable with Onshape. Open Onshape and sign in. Go to your documents...
Part 1 of 3:

Starting with the Wheel

  1. Open Onshape and sign in. Go to your documents and click on Create. Then in the drop down menu pick Document.... Name your document and press OK.
  2. How to Make a Gear in Onshape Picture 1How to Make a Gear in Onshape Picture 1
    Go to the front view. Start a sketch on the front face.
  3. How to Make a Gear in Onshape Picture 2How to Make a Gear in Onshape Picture 2
    Draw a rectangle starting somewhere on that middle vertical line.
  4. How to Make a Gear in Onshape Picture 3How to Make a Gear in Onshape Picture 3
    Add relevant dimensions to your rectangle.
    1. Whatever you input for the vertical dimensions will be doubled when the gear is done. This can be changed to adjust for different applications.
  5. How to Make a Gear in Onshape Picture 4How to Make a Gear in Onshape Picture 4
    Draw a line across the horizontal line from the front view coincidental to the origin.
  6. How to Make a Gear in Onshape Picture 5How to Make a Gear in Onshape Picture 5
    Click this line and make it a construction line.
  7. How to Make a Gear in Onshape Picture 6How to Make a Gear in Onshape Picture 6
    Find and click the revolve tool. Select the rectangle sketch as the face you want to revolve and select the construction line as the revolve axis.
Part 2 of 3:

Making a Tooth

  1. How to Make a Gear in Onshape Picture 7How to Make a Gear in Onshape Picture 7
    Go to the right view of your document. Start a sketch on the right face of your wheel.
  2. How to Make a Gear in Onshape Picture 8How to Make a Gear in Onshape Picture 8
    Draw a line starting at the origin and going vertically until past the end of the wheel.
  3. Make the line into a construction line.
  4. How to Make a Gear in Onshape Picture 9How to Make a Gear in Onshape Picture 9
    Draw a center point circle coincidental to the origin.
  5. How to Make a Gear in Onshape Picture 10How to Make a Gear in Onshape Picture 10
    Set the dimension as the difference between the two circles.
  6. How to Make a Gear in Onshape Picture 11How to Make a Gear in Onshape Picture 11
    Draw two lines coincidental to both circles near the construction line you drew earlier.
  7. How to Make a Gear in Onshape Picture 12How to Make a Gear in Onshape Picture 12
    Set the dimensions for the points at the bottoms of the lines to the construction line.
  8. How to Make a Gear in Onshape Picture 13How to Make a Gear in Onshape Picture 13
    Set the dimensions for the points at the tops of the lines to the construction line.
  9. How to Make a Gear in Onshape Picture 14How to Make a Gear in Onshape Picture 14
    Select the region that you just worked on.
  10. How to Make a Gear in Onshape Picture 15How to Make a Gear in Onshape Picture 15
    Select the Extrude tool. Remove that area from the wheel.
  11. How to Make a Gear in Onshape Picture 16How to Make a Gear in Onshape Picture 16
    Select the Fillet tool. Apply it to the four lines in yellow above. The default radius is 5mm but you can use 2.5 mm as well.
Part 3 of 3:

Finishing Up

  1. How to Make a Gear in Onshape Picture 17How to Make a Gear in Onshape Picture 17
    Select the Circular Pattern tool and make the change from Part Pattern to Face Pattern. Select all the yellow faces above.
  2. How to Make a Gear in Onshape Picture 18How to Make a Gear in Onshape Picture 18
    Select the face of the wheel. That is on the outside as shown.
  3. How to Make a Gear in Onshape Picture 19How to Make a Gear in Onshape Picture 19
    Select the number of times you want the faces selected to be repeated around the wheel.
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