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#1

Making the perfect pentagram

Archive: 24 posts


Since creating a geometrically perfect pentagram requires a rotation of 72 degrees, and LBP only allows you to rotate objects 5 degrees at a time, does anyone know of another way to do this?

For anyone who doesn't know what I'm talking about, this is a pentagram...

http://2.bp.blogspot.com/_znetMyxM0Pk/Sv57lnAvrOI/AAAAAAAAByk/ZVjJ83LEm_8/s400/CircumscribedPentagram.png
2011-04-04 15:07:00

Author:
Ungreth
Posts: 2130


You could try using the red star sticker and trace the star, then make a circle around it. Not sure how well that would work, though.2011-04-04 16:12:00

Author:
Brannayen
Posts: 438


If you need rotation of 72?, putting an advanced rotator set to a speed of 720 on a piece of holo and activating that for 0.1s should do it.

(Timers should be exact for this interval according to Aya's measurements. You may need to apply additional logic to make sure the rotation is stopped when the interval has elapsed. Objects in mirror are closer than they appear. All trademarks acknowledged.)
2011-04-04 16:15:00

Author:
tameturtle
Posts: 150


If you need rotation of 72?, putting an advanced rotator set to a speed of 720 on a piece of holo and activating that for 0.1s should do it.

(Timers should be exact for this interval according to Aya's measurements. You may need to apply additional logic to make sure the rotation is stopped when the interval has elapsed. Objects in mirror are closer than they appear. All trademarks acknowledged.)

Thats not a bad idea, I'll give it a go.
2011-04-04 16:24:00

Author:
Ungreth
Posts: 2130


Keep in mind those sprung bolts are handy for setting degrees.

Lite_Sleeper has a level that has a pretty nifty protractor he made that also might help.
2011-04-04 16:29:00

Author:
jwwphotos
Posts: 11383


Jww hit the nail on the head, Sprung Bolts are the way forward!2011-04-04 16:46:00

Author:
Kern
Posts: 5078


Thanks for the suggestions guys, but I finally worked out a method. I took a pentagon, turned the grid off and layed a straight line of material along each edge, alternating between holo and cardboard depending on whether I needed solidity for positioning purposes or to overlay pieces that wouldn't cut into each other, then shaved away the unwanted bits using the same approach of alternating holo and cardboard, while using R2/L2 to move pieces out of the way while keeping them aligned. Then I used the cookie cutter technique to form a single solid object from the pieces. Took a while but it worked, and ultimately easier than trying to work with the golden ratio I think.

Anyway...if anyone ever needs a perfect pentagram, let me know. They're a real pain in the butt to make, and I might be able to save you time and frustration.
2011-04-04 17:11:00

Author:
Ungreth
Posts: 2130


This is why I steer clear of satanic content. Not cuz I care about that stuff either way, but holy cross symbols and stars are so much easier to make...2011-04-04 17:48:00

Author:
nextlevel88
Posts: 149


This is why I steer clear of satanic content. Not cuz I care about that stuff either way, but holy cross symbols and stars are so much easier to make...

Pentagrams aren't Satanic...

the church just got people to think that.

http://en.wikipedia.org/wiki/Pentagram
2011-04-04 17:51:00

Author:
Kern
Posts: 5078


It is a bit ironic that such a simple shape requires some hoop jumping. Now if only MM would let us rotate objects by any value...2011-04-04 18:46:00

Author:
Unknown User


I know. I was making a joke about the fact that there's a six-sided star shape included in the game.2011-04-04 18:47:00

Author:
nextlevel88
Posts: 149


Pentagrams aren't Satanic...

the church just got people to think that.

http://en.wikipedia.org/wiki/Pentagram

Actually, in an inverted form, they are most definitely satanic, representing Baphomet and rejection of the holy trinity. The freemasons have adopted the inverted pentagram as a symbol of their order.

Non-inverted, they are a significant symbol in a variety of world religions, including Christianity, Mormonism and Neopaganism. I plan on using one in context of Neopagan belief, where encircled it represents the 5 elements embodied by the earth mother Gaia and is also used as a symbol of protection against evil.
2011-04-04 19:08:00

Author:
Ungreth
Posts: 2130


Ung, the pentagram is an Alchemical symbol. Neopagens adopted it for its meaning, christianity calls it a devil symbol because it's a symbol of science...and Neopagens lmao.2011-04-05 23:05:00

Author:
Bremnen
Posts: 1800


If you'd like to double check your angles Ungreth (or have need to make other angle-specific items in the future), I have a protractor that's insanely accurate that you can use. I can't remember who made it, but it's spot on. Let me know if you are interested.

EDIT: Just saw JJW's post... that's likely the one I have.
2011-04-05 23:31:00

Author:
Rustbukkit
Posts: 1737


Work out on some squared paper and geometry where all the points will be on a grid. Use the small grid in the game and the corner editor and you should get it pretty much spot in.2011-04-06 17:25:00

Author:
faulky
Posts: 80


I'm a bit late to this party, but this one time I went to school and they taught us this geometry stuff... it was pretty cool.

Anyways, for future reference, you can also build fairly accurate angles by turning the problem into a right triangle, and solving for either the opposite or adjacent sides.

tan (θ = opposite/adjacent

Using the grid, build an arbitrary length of material for your adjacent side, plug your angle into the above equation and solve for the length of the other side. Now build and place your other side to make an L shape, merge them, and delete the inside corner vertex to build a triangle. Congratulations, you have a protractor.
2011-04-06 17:58:00

Author:
Thegide
Posts: 1465


An easy way to make a pentagram is to just take a pentagon and use it to line up five lines of material.


Actually, in an inverted form, they are most definitely satanic, representing Baphomet and rejection of the holy trinity. The freemasons have adopted the inverted pentagram as a symbol of their order.
Uhm, aside from the Order of the Eastern Star the only other place I can think of where there'd be an inverted pentagram in Freemasonry is an inverted flaming star counterpoised with the blazing star at the centre (or in the east) of the mosaic pavement in the lodge room, though this is by no means universal and has nothing to do with Satanism or worshipping Baphomet anyway. The mainstay emblem is the square and compass... not a pentagram.

Whatever open order meeting you went to where they had that they weren't Masons...
2011-04-07 01:05:00

Author:
Ayneh
Posts: 2454


Hush you! Your simple solutions are making us look like fools!

2011-04-08 07:21:00

Author:
Thegide
Posts: 1465


Ung, the pentagram is an Alchemical symbol. Neopagens adopted it for its meaning, christianity calls it a devil symbol because it's a symbol of science...and Neopagens lmao.

Alchemy a science? You're almost a thousand years late to the party. ^^
2011-04-08 09:47:00

Author:
tameturtle
Posts: 150


"Alchemy a science?"

alchemy is science.

scientists can and have turned lead into gold. the problem is that it costs a lot to do and it's too random and unreliable to be useful.

they do it by using a laser to knock electrons or whatever off of lead particles and alter them into gold particles.
(the only difference between lead and gold being the number of electrons on the particles)
2011-04-08 13:05:00

Author:
Unknown User


All common definitions of 'alchemy' put it in the 'chemistry' drawer. However, turning Pb (or any other metal for that matter) to Au through radiation bombardment clearly falls under 'physics'.2011-04-08 13:21:00

Author:
tameturtle
Posts: 150


tameturtle

it doesn't matter, but i'm not sure what your point is?

are you saying that turning lead into gold isn't science because it's physics?
2011-04-08 13:33:00

Author:
Unknown User


I'm saying that the method of turning lead into gold that you mentioned doesn't qualify as alchemy, at least not as far as common definitions of alchemy stretch.

But I'm ready to admit that somebody who knows that the only difference between a gold and a lead atom is the number of electrons is more qualified a judge of alchemical methodology than I can ever hope to be.
2011-04-08 14:07:00

Author:
tameturtle
Posts: 150


This is easily done with the basic shapes given.
Place a Star, shrink it a little, then cut out.
Inside, paste a pentagon, shrink a little (Same line thickness), cut out.
Repeat with cirle
2011-04-09 09:18:00

Author:
Nurolight
Posts: 918


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