Problem with padding

Post here for help on using FreeCAD's graphical user interface (GUI).
Forum rules
and Helpful information
IMPORTANT: Please click here and read this first, before asking for help

Also, be nice to others! Read the FreeCAD code of conduct!
Post Reply
nefarious
Posts: 14
Joined: Fri Feb 03, 2023 5:58 pm

Problem with padding

Post by nefarious »

I am making the most complex part I have made to date. It is a stake that will hold my landscape lighting into the ground.

The part is basically a cone with wings on 4 sides that taper from the top to the bottom.
FullStake.png
FullStake.png (5.86 KiB) Viewed 838 times
This is what it looks like.

The 4 wings are made from triangular sketches on a datum plane the pan'd to 4mm.
TopStake.png
TopStake.png (5.71 KiB) Viewed 838 times
From the top down it looks like this.
ErrorStakeFront.png
ErrorStakeFront.png (5.43 KiB) Viewed 838 times
If both wings are pan'd to 4mm then one side is shown wrong.
ErrorStakeTop.png
ErrorStakeTop.png (7.54 KiB) Viewed 838 times
and a better view

If the wings have different pan heights it looks great in freecad.
If I export the bad looking version and view it in a slicer it is in fact correct. I can show an image of that.

The FCStd file is too big to include here, is there an alternative place for it if it is needed.

What I want to know is, did I do something wrong to get this error.
Bance
Veteran
Posts: 4186
Joined: Wed Feb 11, 2015 3:00 pm
Location: London

Re: Problem with padding

Post by Bance »

Yes.
User avatar
Shalmeneser
Veteran
Posts: 9474
Joined: Wed Dec 23, 2020 12:04 am
Location: Fr

Re: Problem with padding

Post by Shalmeneser »

No file no answer !
The FCStd file is too big to include here, is there an alternative place for it if it is needed.
How is it possible ?
You can show the construction tree for idea.
You can suppress the features and keep the sketches for a smaller file.
What is the size ?
Attachments
Arrow_SHALM.FCStd
(43.87 KiB) Downloaded 9 times
Capture du 2023-06-01 22-49-39.png
Capture du 2023-06-01 22-49-39.png (22.22 KiB) Viewed 818 times
nefarious
Posts: 14
Joined: Fri Feb 03, 2023 5:58 pm

Re: Problem with padding

Post by nefarious »

Thanks, I do have to learn to be able to reduce the size of the files.

I just changed the order of how I put the part together, did the wings before the lattice attachment and it now looks correct.
frcaduser
Posts: 352
Joined: Wed Apr 07, 2021 11:22 pm

Re: Problem with padding

Post by frcaduser »

Hello,

here is a potential solution to your issue.

The different objects have not been fused together so you may edit the different properties to suit your
design requirements.

frcaduser
Attachments
coneWithFlaps.FCStd
(25.57 KiB) Downloaded 9 times
User avatar
onekk
Veteran
Posts: 6144
Joined: Sat Jan 17, 2015 7:48 am
Contact:

Re: Problem with padding

Post by onekk »

You could think if padding the sketch on two lengths of "half total length" so the pad is around an origin, and simply rotate each wing of the correct amount, this way you could even make five, or six of them.

ang_rot = 360 / n_sides will determine the amount of rotation.

You could use a spreadsheet to hold data and make calculations if you want.

You coukd use expressions to add this rotation to the preceding objects, or other ways like using lattice WB or similar extensions,

It is all about planning things.

Kind Regards

Carlo D.
GitHub page: https://github.com/onekk/freecad-doc.
- In deep articles on FreeCAD.
- Learning how to model with scripting.
- Various other stuffs.

Blog: https://okkmkblog.wordpress.com/
Post Reply