Change “17.3” to “18.3” either by directly typing that number in, then press Enter, or by entering the addition
formula as shown in Figure 12-12.
You will now be left with a circle that is 18.3mm in diameter. Figure 12-13 shows a close-up view of the new
value of the diameter.
Click Finish Sketch to return to the main environment.Notice your ring tube updated in the background to
18.3mm in diameter, but the pipe thickness is still 1mm. The effective inner size is now 17.3mm, which is
what we wanted.
ADDING AN EMBELLISHMENT TO THE RING
Now, let’s put a topper on that ring to make it more interesting! Click the purple grid-box in the top ribbon
with a hover-over label of “Create Form” to enter into Sculpting mode as shown in Figure 12-14.
After entering into Sculpting/Form mode, click the top leftmost shape that looks like a 4 x 4 x 4 cube with
rounded edges.
Click the same plane as you did before to create a cube on the bottom plane. In order to better see where
to place the cube, find the “view cube” on the top right of the screen and click on “Top” to reorient your view
to the top. Then, place the cube somewhere around the “top” of the ring, by clicking in the general vicinity of
the shaded-out ring, as shown in Figure 12-15.
Let’s pretend we are jewelry designers and happen to know the settings shown in Figure 12-15:
LENGTH: 20mm
LENGTH FACES: 2
FIGURE 1214: Purple grid-box to enter into the Form Environment
FIGURE 1215: Positioning the 4 x 4 x 4 rounded-edge cube above and touching the ring
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WIDTH: 10mm
WIDTH FACES: 2
HEIGHT: 10mm
HEIGHT FACES: 2
DIRECTION: Symmetric
SYMMETRY: Mirror
CHECK ALL THE SYMMETRY BOXES: Length, Width, Height
OPERATION: New Body
Click “OK” to accept those settings for the box.
These settings are just for this project but you can play around with changing them now, or go back into your
design and change them later.
ADDING TO THE EMBELLISHMENT
You just created a sculptable box of parametric clay in the last few steps, so let’s make it look unique!
Hover your mouse on top of the box. You can change your view by click-dragging on the view cube in the top
right of the screen. Click one of the top edges (one of the black lines on top of the box) and it will turn blue as
shown in Figure 12-16.
The other edges will turn yellow to indicate that symmetry is turned on; a change made to one face will
affect the other edges in that object.
On the top menu bar click the Edit Form button as shown in Figure 12-16. A manipulator widget will appear,
and as you drag those various arrows and sliders, your form will change as shown in Figure 12-17. You
might have to use the navigation cube in the top-right part of the screen by clicking it and dragging it to
rotate the view.
In Figure 12-17 we moved the very center line downwards which created a saddle-shape for the ring.
Because you have symmetry turned on, the bottom edge will move inward as well.
Before clicking OK, you can now manipulate other aspects of the model as well. While you are in the “Edit
Form” mode, you can click on a “point” where edges meet to make a small change, you can click on an edge
to make a larger change, or click on a “face” to make the largest change.
If you happened to click OK before you were ready, that is fine; just right-click anywhere on the screen and
select Edit Form again and click where you want to start sculpting.
While you are still in the Edit Form mode, click the intersection point between all four faces on the right-
hand side of the cube. Drag that point inward as shown in Figure 12-18.
FIGURE 1216: An edge of the box has been selected, turning it blue. The Edit Form tool has been selected.
FIGURE 1217: Moving the edge inward using one of the manipulator widget handles
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FIGURE 1216: An edge of the box has been selected, turning it blue. The Edit Form tool has been selected.
FIGURE 1217: Moving the edge inward using one of the manipulator widget handles
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FIGURE 1218: Within the Edit Form option, a small intersection point at the right was selected and dragged inward
FIGURE 1219: Initiating the Modify → Combine command to merge the shapes
You can also use Edit Form on faces, individual edges, or even the points where the edges meet. Just make
sure that whatever shape you create intersects with the band of the ring that you made earlier.
Make sure your Form touches/intersects with the ring! When you have a shape that you like, click Finish
Form on the top menu bar to exit out of the sculpting environment. You now have a ring and a topper!
EXPORTING YOUR MODEL FOR 3D PRINTING
The final step is to export the model into your 3D printing software, and you’re all set to go.
Fusion 360 can only export one model at a time, so you will need to combine the ring and its topper into one
shape before exporting so that it all prints together. If your “topper” does not touch the ring, then you can
right-click on the freeform shape, and select “move” and “bodies” in the newly opened window to move it
downwards until it intersects the ring. You might have to look from several viewpoints to really see how the
two objects are/are not intersecting. The more proper way to do this would be to edit the “Form” you just
created by double clicking on it in the timeline and making changes there.
Click the “Combine” option above the “modify” menu as shown in Figure 12-19.
Click the ring first and then the topper. One will be selected as the “Target” body and one will be the “Tool”
body. Again, make sure that the Combine option is selected as shown in Figure 12-20.
Click OK. You now have one shape you can export for 3D printing!
FIGURE 1220: Target and Tool bodies selected in Combine command
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You can also use Edit Form on faces, individual edges, or even the points where the edges meet. Just make
sure that whatever shape you create intersects with the band of the ring that you made earlier.
Make sure your Form touches/intersects with the ring! When you have a shape that you like, click Finish
Form on the top menu bar to exit out of the sculpting environment. You now have a ring and a topper!
EXPORTING YOUR MODEL FOR 3D PRINTING
The final step is to export the model into your 3D printing software, and you’re all set to go.
Fusion 360 can only export one model at a time, so you will need to combine the ring and its topper into one
shape before exporting so that it all prints together. If your “topper” does not touch the ring, then you can
right-click on the freeform shape, and select “move” and “bodies” in the newly opened window to move it
downwards until it intersects the ring. You might have to look from several viewpoints to really see how the
two objects are/are not intersecting. The more proper way to do this would be to edit the “Form” you just
created by double clicking on it in the timeline and making changes there.
Click the “Combine” option above the “modify” menu as shown in Figure 12-19.
Click the ring first and then the topper. One will be selected as the “Target” body and one will be the “Tool”
body. Again, make sure that the Combine option is selected as shown in Figure 12-20.
Click OK. You now have one shape you can export for 3D printing!
FIGURE 1220: Target and Tool bodies selected in Combine command
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