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Message: <blockquote data-quote="The Sigil" data-source="post: 2041531" data-attributes="member: 2013">Assumed the weight is 20 lbs., not 10 - gold is heavy.  Also assumed a DC of 18 to Craft the thing.PRICE: 2030 gpWell, let's see.  "A one-pound cube of diamond is exactly 2 inches on a side."  That's a volume of 8 cubic inches.  The international standard size for a ping pong ball is 40 mm in diameter (1.58 in).  Volume, then, is 4/3 pi r-cubed or roughly 1.96 cubic inches.  We'll round it to two for simplicity; that's 1/4 of the volume of the two inch cube, so a ping-pong ball would be 1/4 a pound of diamond. If we assume a gem of one carat gives you the gem value found in the SRD, diamonds should be valued at 250,000 gp per pound; the ping-pong diamond would be valued, then, at 62,500 gp.  The tenisball has a 2.5-inch diameter; the volume is then 8.2 cubic inches... or roughly a pound of diamond, so about 250,000 gp.An MLS soccerball is 27 to 28 inches in diameter (we'll say 27) and thus has a volume of 10,300 cubic inches... or a weight of about 1300 pounds... and a value of 325 million gp!(IRL, diamond prices tend to scale geometrically, not linearly, with size, but I'm just trying to keep things simple)The average weight of a tapestry is 2.5 kg per square meter (about 0.5 pounds per square foot); your tapestry is 120 square feet, so it has a base weight of roughly 60 pounds.  We'll use costs for silk for your "imported thread" - 4 gp per pound - and a DC 24 craft check to create the dragon slaying art... 748.4 gp.  (Silk is a little heavier per unit volume than "standard" cloth; the actual weight of the tapestery will be about 80 pounds.)This item has little more intrisic value than any other dagger (2 gp); it's the notoriety that will up the price.  Ad hoc: 100 gp to a collector.To most: Sunburns more easily than a regular horse; probably not considered suitable for breeding.  Half the value of an ordinary horse.In a culture where it might be symbolically important (e.g., the "Sun God's Steed" or what have you) up to five times the value of an ordinary horse.A solid, boring old oak door would likely be about 70 pounds but should be relatively simple to create (DC 5).  The door would run you about 260 gp all told.About 5 cp.1 gp per head, including horse, means 2 gp.I presume here this means cost to have your portrait done.  For a high-quality artist's rendition (DC 25), I would say you're looking at 2 weeks' worth of work.  A skilled but unknown artist would want a couple of gp per week, plus materials; probably 10 gp in total.  A more famous artist will command a lot more.Use the SRD price.--The Sigil(Slightly shameless plug: I used my "Enchiridion of Treasures and Objects d'Art" to determine answers 1-3 and 6; I do in fact actually use it in my campaign to create all my treasure objects, so I'm just following Clay's instructions)</blockquote>

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