A Dodecahedron Speaker for Desktop Printers
by seanmichaelragan, published
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Thanks very much! Though the printing is automatic, there is in fact a lot of time and energy involved printing a set of these parts on my equipment--not least of which is that I'd have to get the printer set up and working again! Point being I'd have to price them pretty steeply. I intend to make these models available through my Shapeways store, but they'll be pretty expensive through there, too, unless I (or somebody) takes the time to hollow them out so you don't end up paying for a lot of powder volume you don't really need.
I guess the short answer is: Sorry, I don't see that happening right now. You should feel free to download these models and contract with whomever you like to print them, however; they are CC licensed and I don't need any money if you want to print them. Attribution and sharealike are required, however--click on the license icon for more info.
These look amazing. Unfortunetly I don't have a 3d printer. Would you be willing to sell a preassembled set for a fee? Thanks
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The assembled speaker array weighs 5.6 lbs, not counting the cable, and measures 7.5" across, from face to face, and 8.6" from point to point. The speakers are wired in a hybrid series-parallel circuit that brings the total array impedance to about 10 ohms (again not counting the cable) which should be a comfortable load for most amplifiers.
Non-printed parts ("vitamins")
12 pcs Ã— speaker, square, ferrite 3", 8 Ohm, 3W, Jameco SP83W
10 ft Ã— instrument patch cable, 18 AWG leads, such as Conquest Sound CS118
30 pcs Ã— sex bolt (hehehe), combo truss head, zinc plated, 3/16" barrel, #6-32 Ã— 3/8", Bolt Depot 14285
30 pcs Ã— machine screw, combo truss head, zinc plated, #6-32 Ã— 1/2", Bolt Depot 2887
60 pcs Ã— split washer, #10, zinc plated, Bolt Depot 3023
108 pcs Ã— wood screw, #4 Ã— 1/4", black oxide or finish of your choice, such as McFeely's 0402-PSK
13 ft Ã— screen spline, vinyl serrated, 1/8", black or color of your choice, such as Home Depot 3028737
3 sq ft Ã— window screen, black or color of your choice, such as Home Depot 3003947
36 in Ã— hook-up wire, stranded, 18AWG, white or color of your choice, such as NTE
18 in Ã— hook-up wire, stranded, 18AWG, red or color of your choice, such as NTE
2 pcs Ã— craft foam, adhesive-backed, 8.5 Ã— 5.5" sheet, black or color of your choice, such as Fibre Craft
2 pcs Ã— wire nut, orange, such as Ideal 73B
1 cu ft Ã— glass wool, such as Owens Corning PINK
6 in Ã— electrical tape
Detailed assembly instructions available here:
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