hi guys, I am a student of politecnico di milano and I have to design this suitcase with Solidworks... Can anyone help me? I can't make curves on the surface... Thank you!
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Hey bro, what exactly is your problem, why can't you download a suitcase from this page and then modify it?
Because I can’t find a similar suitcase! And I have many problems to design that curves on the surface with the swept cut…
well i use autodesk inventor and this software has a feature where you can create free shapes, maybe solidworks has a similar feature... i think if you use that feature the job will be easier
Break it down into simple subsections. Think of it as a simple extrusion in each axis’: X, Y, and Z. Then do an intersection of the 3 extrusions. Then follow that with a radius on the edges. It doesn’t look like there are any complex 3D curves. No surfacing or freeform modeling is required. The hard part is the small ribs around the perimeter. I would model a single rib and then pattern that along a sketch around the perimeter.
You should combine linear and circular massive to make concentric cut. For side surfaces use lofted surfaces from 3d sketches and linear massives.
ok, thank you
ok, now I try...thanks!
Let's see what you got so far so we can point you in right direction
I'm assuming the ripples pattern is the problem ? looks like just a revolve
btw
from engineering point of view it is a bad design as it is not making that shell stiffer quite opposite
I revolved a profile with the ripple pattern over a large area. Bent the whole thing on a 500cm radius for the slight curvature of the large side. At that point it was just a matter of sweeping an appropriate profile around the perimeter to trim it to the final dimensions. The notches around the perimeter are a simple array along a path. Lots of fillets finish it out. I modeled half the suitcase complete then mirrored the opposite side.
It's relatively simple when you break it down.
This is a big rippled revolution...
Looking at the edge you can see it is then bent on a 500cm radius:
Then a profile is swept around the perimeter to trim it to size:
Another profile is swept around the perimeter to add the zipper housing.
wow bob, you are a master. now I am trying, I hope to make it.
I have another problem, maybe you can help me. I can not make the wheel holder .. I put a photo attached ... Do I need to build a loft? How can I do this? thanks guys, you are very kind
done in "SaladWorks" with one continues surface ripple
the pink surface created with CirPattern to match the curvature is driving the revolved face , makes it more stable if you need to adjust the dimensions , and the sketch is converted to Spline to make this nicer continues surface
...how do I share this file here ?
awesome Jack! super interesting, thanks
Only problem is the face of the suitcase is curved in the vertical direction but not in the the horizontal direction. That is, it is curved in one axis only. It is not a compound curve.
By curving the tool that makes the rippled surface you have curved the suitcase in both directions and incorrectly made the surface one big convex shape.
oh.. is it ? hard to tell from the picture ..
In that case mine is example how to make ripple on convex face, ;)
If the face is curved on one axis then do linear pattern and then deform it
but is it really bending on one axis ......? (someone needs to buy it and check LOL)
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