Help with multi dimensional box

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eghostrider
Posts: 1
Joined: Fri Oct 23, 2020 11:53 pm

Help with multi dimensional box

Postby eghostrider » Sat Oct 24, 2020 12:02 am

Hello All,

I am very new to CAD design and Free CAD. I am trying to design a platform for an aircraft part that is basically 75mm x 75 mm, but each side of the box has a different height, i.e. front left is 9.4mm, back left is 12.83mm, right front 14.4mm, etc. I can't figure out how to draw this and extrude (pad) it. It seems that I can only make the box shape with equal heights all the way around. I need to mount a device onto this bracket so that it is level in flight. Help. I am pulling my hair out.

Cheers,

Dave
jmaustpc
Posts: 10358
Joined: Tue Jul 26, 2011 6:28 am
Location: Australia

Re: Help with multi dimensional box

Postby jmaustpc » Sat Oct 24, 2020 1:37 am

Either pad base the walls separately i.e. each one in its own pad, or create a box with equal sides that match the tallest and just remove the excess material with a pocket on each.
TheMarkster
Posts: 2045
Joined: Thu Apr 05, 2018 1:53 am

Re: Help with multi dimensional box

Postby TheMarkster » Sat Oct 24, 2020 4:13 am

You could make 2 sketches on the xz plane, one for the front, the other for the back, and loft them to each other. One will need to be offset by 75 mm in the z direction of the attachment offset property.
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