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I'm trying to help my sister make a "frustum" (cone with two flat sides) and really struggling. Anyone able to help?
We have a sheet of plexiglass that is 24" x 36". We need a flat topped cone with the large diameter being 11.25" and the small diameter being 6.75" and the total height of 14.625" I tried doing this math by hand and it was above my head. I used chatGPT and it failed in helping me. I can't figure out how to cut it. I found this: https://craig-russell.co.uk/demos/cone_calculator/ Which gave me the sides of the full cone but I dont know how to lay that out on the sheet. I have been working on this for about 4 hours and still not the foggiest clue how to do it. I haven't felt this dumb in years. I watched a few videos and they were not making sense either. Everything is done really small by hand with a protractor and I'm trying to lay out something big with a ruler and pen and string and can't make the marks to connect. Is this even possible? submitted by /u/GrantMeThePower [link] [comments]
We have a sheet of plexiglass that is 24" x 36". We need a flat topped cone with the large diameter being 11.25" and the small diameter being 6.75" and the total height of 14.625"
I tried doing this math by hand and it was above my head. I used chatGPT and it failed in helping me.
I can't figure out how to cut it. I found this: https://craig-russell.co.uk/demos/cone_calculator/
Which gave me the sides of the full cone but I dont know how to lay that out on the sheet. I have been working on this for about 4 hours and still not the foggiest clue how to do it. I haven't felt this dumb in years. I watched a few videos and they were not making sense either. Everything is done really small by hand with a protractor and I'm trying to lay out something big with a ruler and pen and string and can't make the marks to connect.
Is this even possible?
[link] [comments]
