Autodesk® 123D® Design is an application that runs in a Web-GL enabled web browser, an iPad and on a computer. It allows you to drag, drop and combine primitive shapes, and also has pre-defined models that can be combined together or with the primitive shapes.

PC Version Intro

  1. Download and install 123D Design
  2. Open the application

  3. In the upper left corner you will find the dropdown menu. Roll your cursor over the down arrow and select New to create a new document.

  4. Here are the tools to help you construct your models:
  5. Here are the navigation tools to help you move around:
  6. You can also use the view cube to change the camera:
  7. Click on the kits arrow to browse pre-build parts:
  8. Click on Primitives and select Box. Drag and drop the box on the grid. Adjust the dimensions
  9. You can modify (move, scale or hide) the entire form by clicking on the box and then clicking on the gear in the box:
  10. You can select a face. Select the primitive then roll over the face you want to edit. When the face is highlighted click on it to accept the selection. Then click on the gear in the box:
  11. Modifications you can make to the face are:
    • Tweak:
    • Push/Pull
    • Shell
  12. When editing, you can always enter exact measurements or use the mouse to manipulate the form.
  13. Design provides selection specific editing options for entire form, face and edge. To select an edge, rollover it until it highlights, then click
  14. Clicking on the gear will bring up the three options:
  15. Tweak
  16. Fillet
  17. Chamfer
  18. Select the circle sketch
  19. Click on the plane then select the center point
  20. Drag from center point
  21. Selecting the interior of a 2D circle provides the following options:

  22. Selecting the perimeter of a 2D curve provides the following options:
  23. Click on the workplane to select it
  24. Select the circle sketch tool
  25. Click on the Sketch Plane to select it:
  26. Specify the diameter by dragging or typing a value
  27. Select the sketch and click on the Move icon. Rotate the sketch 90°
  28. Seelct the sketch, copy, paste, move forward and rotate
  29. Copy, paste, move and roate again
  30. Once again
  31. One more time:
  32. Seelct all the sketched and move the cursor over the widget
  33. Select Loft:,br />
  34. Make sure you are creating a new solid
  35. This is the difference if you loft all at once or section by section:
  36. Select both ends and then click on shell
  37. Specify the amount to shell
  38. Create another 90° 2D sketch and then select the spline tool
  39. Click to specify the Sketch Plane, then click on the center point of the rotated circle, the click and pull to create a smooth curve. Click to end or press ENTER:
  40. You can adjust the curve by moving the sketch points:
  41. Click on the sketch, select Sweep, make the polyline the path. Here you can see sweeping by 50%:

  42. Here is the full sweep:
  43. Unfortunately you cannot shell a sweep, but there is a way to acheive a similar effect:
    • Click on the sketch and select scale
    • Specify the scale amount:
    • Sweep the smaller sketch and select subtract:
  44. Create another 2D sketch, then select the polyline tool
  45. Click the Sketch Plane then click two points. Press ENTER to end the line after clicking
  46. Select the 2D sketch then select Revolve. Choose tha line as the axis:
  47. Specify the revolution and make sure it is a solid:
  48. Shell the revolved sketch:
  49. Experiment.
  50. Select a part and Export as an stl