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Me Again. Why Can't I Move Subtractive Cylinder Without Breaking

by rebeltaz

Sigh... Sorry to be such a pain guys. I'm really trying to do this on my own.

In this model, I need to offset two subtractive primitives - cylinder001 and cylinder002 under upper half - by 20mm. I can move cylinder001 along the X axis 20mm with no problem, but when I try to move cylinder002 along the same X axis by -20mm, the whole model goes screwy. Parts get reoriented and cylinder004 gets pushed off the model.

What am I doing wrong and can it be fixed without redoing every element under the cylinder primitives?

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Can You Use a Sketch/Pad to Cut a Hole with Clearances?

by rebeltaz

This is hard to explain, so I am going to upload a portion of the model I am working to help explain. In the model, I need to cut the wedge shaped tip of [Body, handle] from the upper wheel on [Body, inner reel] as well as a couple of other [Body, xyz] parts. I need the corresponding hole that is cut to have, say 0.6mm clearance on each side.

I know that I can just create another sketch with the proper dimensions, pad that and cut it from the parts, but since FreeCAD is parametric, I would think that there must be a way to do this in such a way that the cut is linked to the original piece so that if I change the size of the part, the corresponding hole will be resized accordingly.

I have asked over on the FreeCAD forums and I was told to use ShapeBinder, with no other instruction. I found the wiki page for that command and when I tried to use the [ShapeBinder] element as a cut, FreeCAD tells me that "Links go out of the allowed range" and then placed the resulting cut outside the scope of any [Body] element. Aside from that, it doesn't allow for the clearance I am needing - it just does the cut.

Any help would be greatly appreciated... even if it's just to say what I ask cannot be done.

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Any Advice On Workflow?

by rebeltaz

Would anyone be interested in taking a look at my latest model and telling me how it could have been done better / more efficiently? It's hard to learn something new just from watching videos, so any feedback would be highly appreciated. Thanks!

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Newbie Here... Can You Cut One Padded Sketch From Another?

by rebeltaz

OK.. so I have a sketch to which I have added a pad operation. Let's call that the [carrier]. Inside that, I have another sketch to which I have added another pad operation. Let's call that the [tray]. What I am trying to do is subtract the [tray] from the [carrier], but I cannot find any way to do that. I know how to do it with primitive objects, but is there no way to do this with object created from sketches?

I'm very new to FreeCAD (like a week old) so please be kind :)

UPDATE:
Every time I tried, it would remove both the [carrier] and the [tray]. For some reason, when I would toggle visibility on one on, it would automatically toggle the other one off. I finally found another way to do it - I created a sketch in the XZ plane and just did a pocket cut into the [carrier] - but I'd still like to understand why the original way didn't work in case I ever get in a situation where the pocket won't work...

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Fusion (delete/löschen)???

by herg78

Hello, i have a problem to delete a "fusion": if i deleted it, the file was broken. Can you explain me, how to delete it?

Moin. Wenn ich zwei Bauteile miteinander fusioniere kann ich sie im Nachhineine nicht wieder voneinander trennen, weiss aber, dass es geht. Kannst du mir erklären, wie das geht? In dem Fall will ich den 35mm Boden auf 38mm verlängern.

Greets/Grüße
Robin.

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