i have to complete the design in two days and i am stuck. I really dont know how to do those arc patterns
Assuming you know the dimensions of the curved braces a simple extrude & pattern will work for most of them. For the image below I just created the shape roughly on the Right plane & dida mid-plane extrusion & then patterned in both directions. The same can be done for the ones on the sides, on a different plane/surface of course, & create a new plane for the short brace or offset the feature from an existing one the correct distance. It looks like from your photo that there should also be some locating cutouts in the end plates which aren't in your model.
Also you might want to check the scale of your model or the units you are using as the small end plate is onlt 0.5mm thick & I'm guessing that's not correct
Edit: The trickier ones will be the two in the corners, assuming they have to meet at the junction of the long & short braces, there will be some fancy angles on the back edge.
Thank you so much for your help Kevin
I figured everything except the short braces
I am missing only the short ones
The short ones are fairly straighforward. Just start a new sketch on the face of the top long brace & then use convert entities. Then you can just draw geometry line colinear with the edge of the long brace to cut it to the right length, trime away the un-needed excess geometry & extrude with offset from plane. You will need to make sure the side brace has enough face for the short brace to sit on.
again thank you kevin. One last thing, I have to make a casing now and eventually it is gonna look like this
I find it difficult because the top and the bottom rectangles are different in size. what would be the best method to complete this?
Either use a surface loft beween the two different sized rectangles & thicken, you might need some guide curves to control the shape further. Or you could do a solid loft & shell. If they're meant to be seperate sheets, you can always cut into 4 seperate solid bodies after or you could create that way in the first place.
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