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3D extrusion one face with two angles

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Parken26 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Parken26 Quote  Post ReplyReply Direct Link To This Post Topic: 3D extrusion one face with two angles
    Posted: 22.Nov.2022 at 20:00
Can anyone help me with the steps required to make a 3d extrusion of a pillar with compund angles?
So far I have only found one video on youtube that touches on this subject, however, the spoken English is not very clear to me. It uses taper angle and a direction, for the extrusion. 

https://www.youtube.com/watch?v=t5LDmCXYF8E

My pillar must rise at 45 degree and the 45 degree taper inward at 30 degree.
The pillar is 30 x 30 mm height is irrelevant. The pillars are used to hold a roof construction of a hexagon shape.
Where the slope/pitch of the roof is 45 degree. 





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philippe JOSEPH View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote philippe JOSEPH Quote  Post ReplyReply Direct Link To This Post Posted: 23.Nov.2022 at 07:10
Hello Parken26, I don't know if the faces are twisted and "extrudable" or not with AutoCAD without facets.

But I have placed in the CAD/BIM Blocks library here in the site the AutoCAD file :
301-PJH.dwg

I have placed some additional dimensions, could it be OK for you ?



Edited by philippe JOSEPH - 23.Nov.2022 at 10:27
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Kent Cooper View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Kent Cooper Quote  Post ReplyReply Direct Link To This Post Posted: 23.Nov.2022 at 14:06
Set a UCS on each of two vertical faces, and drawing Lines at the right angles is simple enough [red]:

Mirror those over to the other side:

and a couple of SLICE operations using the 3points option and Osnapping to ENDpoints of those Lines, keeping the lower portion each time, takes care of it:
   


Edited by Kent Cooper - 23.Nov.2022 at 14:12
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Parken26 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Parken26 Quote  Post ReplyReply Direct Link To This Post Posted: 24.Nov.2022 at 12:18
Hi Kent,

Thank you SO much, it took me a little while to complete, but it is now taken care of. 
Much obliged - have a nice day!

-- Martin 
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Parken26 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Parken26 Quote  Post ReplyReply Direct Link To This Post Posted: 24.Nov.2022 at 21:51
Hello Philippe,

Thank you very much for your input as well.

-- Martin
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Parken26 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Parken26 Quote  Post ReplyReply Direct Link To This Post Posted: 24.Nov.2022 at 22:02
A question never comes alone...
I am struggeling with making the roof plates, I have already cut these, and made sure the calculated miter and tilt angles are correct, but I would like very much to finish my drawing, then I wil lbe able to quickly scale this house to a smaller or larger version. 

How do I get the roof plates to align with the 45 degree angle?
Please note that the annotated width and height of the triangle may not be accurate to the drawing. 





Edited by Parken26 - 24.Nov.2022 at 22:08
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John Connor View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote John Connor Quote  Post ReplyReply Direct Link To This Post Posted: 02.Dec.2022 at 00:48
Move each plate into position then rotate to match the roof angle.
"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

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