Hi guys! I need your ideas on how to scratchbuild a cone which the top is cut off and both bottom and top hollow. Now I don't want to use resins (I'm allergic) or use other stuffs like that. Can it be done using styrene sheets?
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Scratchbuilding Conical Object Help
shonen_red
Member Since: February 20, 2003
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Posted: Sunday, July 18, 2004 - 07:22 PM UTC
Hi guys! I need your ideas on how to scratchbuild a cone which the top is cut off and both bottom and top hollow. Now I don't want to use resins (I'm allergic) or use other stuffs like that. Can it be done using styrene sheets?
matt
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Posted: Sunday, July 18, 2004 - 07:43 PM UTC
What software did you use to draw that? it should be able to create a Flat pattern....... you'd be able to use that to cut sheet stock.....
shonen_red
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Posted: Sunday, July 18, 2004 - 07:50 PM UTC
Quoted Text
What software did you use to draw that? it should be able to create a Flat pattern....... you'd be able to use that to cut sheet stock.....
Autocad 2004. Yeah, I was thinking the same. I just want to know other options (since I only had very few styrene).
shonen_red
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Posted: Sunday, July 18, 2004 - 08:01 PM UTC
Ok, I'll stick with the styrene sheets. :-) :-) :-)
Hollowpoint
Member Since: January 24, 2002
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Posted: Sunday, July 18, 2004 - 08:24 PM UTC
Depending on what you want to use it for, you might want to make it from sheet metal -- like pie pan aluminum or lead foil.
shonen_red
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Posted: Sunday, July 18, 2004 - 08:35 PM UTC
Quoted Text
Depending on what you want to use it for, you might want to make it from sheet metal -- like pie pan aluminum or lead foil.
I think this looks better and thinner and malleable than styrene sheet. Thanks!
Art
Member Since: March 20, 2004
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Posted: Sunday, July 18, 2004 - 09:21 PM UTC
I can't tell from the drawing what the final size should be, but try cutting the plastic tip off of a tube of caulk. That way you'll have 2 open ends and can cut it down to where you want it. 
Art
Art
shonen_red
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Posted: Sunday, July 18, 2004 - 09:24 PM UTC
Quoted Text
I can't tell from the drawing what the final size should be, but try cutting the plastic tip off of a tube of caulk. That way you'll have 2 open ends and can cut it down to where you want it.
Art
What's a caulk?
flitzer
Member Since: November 13, 2003
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Posted: Monday, July 19, 2004 - 04:16 PM UTC
Hi Shonnen'
What size?
If its small-ish...you might find the plastic top or barrel from ball-point pens or felt tip markers a help?
Cheers
Peter
What size?
If its small-ish...you might find the plastic top or barrel from ball-point pens or felt tip markers a help?
Cheers
Peter
shonen_red
Member Since: February 20, 2003
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Posted: Monday, July 19, 2004 - 08:14 PM UTC
Quoted Text
Hi Shonnen'
What size?
If its small-ish...you might find the plastic top or barrel from ball-point pens or felt tip markers a help?
Cheers
Peter
Can't say because I haven't measured it :-) Rest assure that the larger diameter is about .5 inches, lenght of about .5 inches and the smaller diameter of about .3-.4 inches.
Delbert
#073
Member Since: October 05, 2002
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Posted: Monday, July 19, 2004 - 08:29 PM UTC
I don't know if this would be an idea you would look for but if i had to build a cone shaped object i'd start out with a wooden dowel rod of the size of the larger end.. cut to length. then use a sander or a dremal sanding tip to turn it to the cone shape i'd want.. to check it i'd have a circle drawn on a peice of paper of the smaller end so i could tell when it got to the right size. then drill out the two ends for the hollows....
this would be stronger and easier than makeing it from something flat.
just my two cents worth
DelbertD
this would be stronger and easier than makeing it from something flat.
just my two cents worth
DelbertD
Art
Member Since: March 20, 2004
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Posted: Monday, July 19, 2004 - 09:50 PM UTC
Shonen;
Caulk is a material used as a sealant around windows, bathtubs, etc. Anywhere you want to seal out moisture or wind. There are 2 kinds of tubes. One is round and about 10-12 inches long which goes into a squeeze gun device, the other looks like a large toothpaste tube, and they both have nozzles at the end that you cut to determine the amount of caulk coming out, which is what I was suggesting for your conical object. Hope this helps.
Art
Caulk is a material used as a sealant around windows, bathtubs, etc. Anywhere you want to seal out moisture or wind. There are 2 kinds of tubes. One is round and about 10-12 inches long which goes into a squeeze gun device, the other looks like a large toothpaste tube, and they both have nozzles at the end that you cut to determine the amount of caulk coming out, which is what I was suggesting for your conical object. Hope this helps.
Art
beachbum
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Posted: Monday, July 26, 2004 - 12:10 PM UTC
I'd go with Delbert on using a wooden dowel especially if it is going to be a solid cone. Wood especially balsa is easy to sand down and shape while styrene and foil are better you will end up with seam lines no matter how well you join the ends.
If your'e making mutiple copies then making a mold of styrene or thick foil could be used and plaster of paris as the cone itself.
If your'e making mutiple copies then making a mold of styrene or thick foil could be used and plaster of paris as the cone itself.
Cuhail
Member Since: February 10, 2004
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Posted: Monday, July 26, 2004 - 01:01 PM UTC
I think you should use larger diameter styrene tubing and heating it and stretching it like you would sprues. I did this myself on a project and it worked wonderful! When you've stretched it out, find the right section and cut it out with a razor saw.
Easy!
Cuhail
Easy!
Cuhail
kbm
Member Since: June 16, 2003
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Posted: Monday, July 26, 2004 - 11:14 PM UTC
Hello Shonen:
I went through a similar situation with my Oddball's Sherman for my Kelly's Heroes diorama. I puzzled over what to use for the loudspeaker on the turret of the Sherman. Initially I used a small kitchen funnel, but decided the walls looked too thick. Eventually I resorted to a trial and error process of making a pattern on plain old copy paper, cutting it out and making the shape. Once I had the right size, I transferred the pattern to an old aluminum pie pan and cut it out, formed the shape and then superglued it together. You can see the results in my gallery or my posts in the diorama forum. It was simple and cheap, just took some time to work out the proper size and shape.
Keith
I went through a similar situation with my Oddball's Sherman for my Kelly's Heroes diorama. I puzzled over what to use for the loudspeaker on the turret of the Sherman. Initially I used a small kitchen funnel, but decided the walls looked too thick. Eventually I resorted to a trial and error process of making a pattern on plain old copy paper, cutting it out and making the shape. Once I had the right size, I transferred the pattern to an old aluminum pie pan and cut it out, formed the shape and then superglued it together. You can see the results in my gallery or my posts in the diorama forum. It was simple and cheap, just took some time to work out the proper size and shape.
Keith
shonen_red
Member Since: February 20, 2003
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Posted: Monday, July 26, 2004 - 11:23 PM UTC
Quoted Text
Hello Shonen:
I went through a similar situation with my Oddball's Sherman for my Kelly's Heroes diorama. I puzzled over what to use for the loudspeaker on the turret of the Sherman. Initially I used a small kitchen funnel, but decided the walls looked too thick. Eventually I resorted to a trial and error process of making a pattern on plain old copy paper, cutting it out and making the shape. Once I had the right size, I transferred the pattern to an old aluminum pie pan and cut it out, formed the shape and then superglued it together. You can see the results in my gallery or my posts in the diorama forum. It was simple and cheap, just took some time to work out the proper size and shape.
Keith
Hmmm... aluminum foil.... looks a lot easier than to work with aluminum cans. Thanks!
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