sliding cover for case

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davidwf15
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Joined: Thu Dec 05, 2024 4:41 pm

sliding cover for case

Post by davidwf15 »

Hi, newbie question...

I need to make a sliding cover for a small case as attached....
Do I need to reduce "A/B/C" or "A1/B1/C1" to ensure a good fit and if so by how much please

thanks

Last edited by davidwf15 on Sat Dec 07, 2024 1:00 am, edited 4 times in total.

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CrazyIvan
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Re: sliding cover for case

Post by CrazyIvan »

Unfortunately this is something you have to work out by trial and error. Rather than print the whole thing each time, run up a test piece with the same features.

Assuming you are designing in FreeCAD, you can make use of the parametric dimensioning. Key dimensions can be defined as formulae rather than made absolute, and the formula can refer to a figure in a table (check out help/forum/YouTube for parametric design in FreeCAD). Have table entries "ClearanceXY" and "ClearanceZ", and use those in parametric formulae to calculate your A B Cs.

Then on your test piece, you can adjust ClearanceXY and ClearanceZ until you get the desired fit. Note this might vary according to filament.
davidwf15 wrote: Thu Dec 05, 2024 5:08 pm ....also how do I insert the image directly into this post?
Including Images In Posts

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